20428693740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{15787}}^1$

素因数の和:15901

約数の個数: 288

約数和(自身を含む): 77237422080

約数和(自身を除く): 56808728340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 79, 84, 90, 91, 105, 117, 126, 130, 140, 156, 158, 180, 182, 195, 210, 234, 237, 252, 260, 273, 315, 316, 364, 390, 395, 420, 455, 468, 474, 546, 553, 585, 630, 711, 780, 790, 819, 910, 948, 1027, 1092, 1106, 1170, 1185, 1260, 1365, 1422, 1580, 1638, 1659, 1820, 2054, 2212, 2340, 2370, 2730, 2765, 2844, 3081, 3276, 3318, 3555, 4095, 4108, 4740, 4977, 5135, 5460, 5530, 6162, 6636, 7110, 7189, 8190, 8295, 9243, 9954, 10270, 11060, 12324, 14220, 14378, 15405, 15787, 16380, 16590, 18486, 19908, 20540, 21567, 24885, 28756, 30810, 31574, 33180, 35945, 36972, 43134, 46215, 47361, 49770, 61620, 63148, 64701, 71890, 78935, 86268, 92430, 94722, 99540, 107835, 110509, 129402, 142083, 143780, 157870, 184860, 189444, 205231, 215670, 221018, 236805, 258804, 284166, 315740, 323505, 331527, 410462, 431340, 442036, 473610, 552545, 568332, 615693, 647010, 663054, 710415, 820924, 947220, 994581, 1026155, 1105090, 1231386, 1247173, 1294020, 1326108, 1420830, 1436617, 1657635, 1847079, 1989162, 2052310, 2210180, 2462772, 2494346, 2841660, 2873234, 3078465, 3315270, 3694158, 3741519, 3978324, 4104620, 4309851, 4972905, 4988692, 5746468, 6156930, 6235865, 6630540, 7183085, 7388316, 7483038, 8619702, 8730211, 9235395, 9945810, 11224557, 12313860, 12471730, 12929553, 14366170, 14966076, 16213249, 17239404, 17460422, 18470790, 18707595, 19891620, 21549255, 22449114, 24943460, 25859106, 26190633, 28732340, 32426498, 34920844, 36941580, 37415190, 43098510, 43651055, 44898228, 48639747, 51718212, 52381266, 56122785, 64647765, 64852996, 74830380, 78571899, 81066245, 86197020, 87302110, 97279494, 104762532, 112245570, 113492743, 129295530, 130953165, 145919241, 157143798, 162132490, 174604220, 194558988, 224491140, 226985486, 243198735, 258591060, 261906330, 291838482, 314287596, 324264980, 340478229, 392859495, 453970972, 486397470, 523812660, 567463715, 583676964, 680956458, 729596205, 785718990, 972794940, 1021434687, 1134927430, 1361912916, 1459192410, 1571437980, 1702391145, 2042869374, 2269854860, 2918384820, 3404782290, 4085738748, 5107173435, 6809564580, 10214346870, 20428693740]

約数ペア:

[(1, 20428693740), (2, 10214346870), (3, 6809564580), (4, 5107173435), (5, 4085738748), (6, 3404782290), (7, 2918384820), (9, 2269854860), (10, 2042869374), (12, 1702391145), (13, 1571437980), (14, 1459192410), (15, 1361912916), (18, 1134927430), (20, 1021434687), (21, 972794940), (26, 785718990), (28, 729596205), (30, 680956458), (35, 583676964), (36, 567463715), (39, 523812660), (42, 486397470), (45, 453970972), (52, 392859495), (60, 340478229), (63, 324264980), (65, 314287596), (70, 291838482), (78, 261906330), (79, 258591060), (84, 243198735), (90, 226985486), (91, 224491140), (105, 194558988), (117, 174604220), (126, 162132490), (130, 157143798), (140, 145919241), (156, 130953165), (158, 129295530), (180, 113492743), (182, 112245570), (195, 104762532), (210, 97279494), (234, 87302110), (237, 86197020), (252, 81066245), (260, 78571899), (273, 74830380), (315, 64852996), (316, 64647765), (364, 56122785), (390, 52381266), (395, 51718212), (420, 48639747), (455, 44898228), (468, 43651055), (474, 43098510), (546, 37415190), (553, 36941580), (585, 34920844), (630, 32426498), (711, 28732340), (780, 26190633), (790, 25859106), (819, 24943460), (910, 22449114), (948, 21549255), (1027, 19891620), (1092, 18707595), (1106, 18470790), (1170, 17460422), (1185, 17239404), (1260, 16213249), (1365, 14966076), (1422, 14366170), (1580, 12929553), (1638, 12471730), (1659, 12313860), (1820, 11224557), (2054, 9945810), (2212, 9235395), (2340, 8730211), (2370, 8619702), (2730, 7483038), (2765, 7388316), (2844, 7183085), (3081, 6630540), (3276, 6235865), (3318, 6156930), (3555, 5746468), (4095, 4988692), (4108, 4972905), (4740, 4309851), (4977, 4104620), (5135, 3978324), (5460, 3741519), (5530, 3694158), (6162, 3315270), (6636, 3078465), (7110, 2873234), (7189, 2841660), (8190, 2494346), (8295, 2462772), (9243, 2210180), (9954, 2052310), (10270, 1989162), (11060, 1847079), (12324, 1657635), (14220, 1436617), (14378, 1420830), (15405, 1326108), (15787, 1294020), (16380, 1247173), (16590, 1231386), (18486, 1105090), (19908, 1026155), (20540, 994581), (21567, 947220), (24885, 820924), (28756, 710415), (30810, 663054), (31574, 647010), (33180, 615693), (35945, 568332), (36972, 552545), (43134, 473610), (46215, 442036), (47361, 431340), (49770, 410462), (61620, 331527), (63148, 323505), (64701, 315740), (71890, 284166), (78935, 258804), (86268, 236805), (92430, 221018), (94722, 215670), (99540, 205231), (107835, 189444), (110509, 184860), (129402, 157870), (142083, 143780)]