648271260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2083}}^1$

素因数の和:2137

約数の個数: 288

約数和(自身を含む): 2548815360

約数和(自身を除く): 1900544100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 532, 546, 570, 585, 630, 665, 684, 741, 780, 798, 819, 855, 910, 988, 1092, 1140, 1170, 1197, 1235, 1260, 1330, 1365, 1482, 1596, 1638, 1710, 1729, 1820, 1995, 2083, 2223, 2340, 2394, 2470, 2660, 2730, 2964, 3276, 3420, 3458, 3705, 3990, 4095, 4166, 4446, 4788, 4940, 5187, 5460, 5985, 6249, 6916, 7410, 7980, 8190, 8332, 8645, 8892, 10374, 10415, 11115, 11970, 12498, 14581, 14820, 15561, 16380, 17290, 18747, 20748, 20830, 22230, 23940, 24996, 25935, 27079, 29162, 31122, 31245, 34580, 37494, 39577, 41660, 43743, 44460, 51870, 54158, 58324, 62244, 62490, 72905, 74988, 77805, 79154, 81237, 87486, 93735, 103740, 108316, 118731, 124980, 131229, 135395, 145810, 155610, 158308, 162474, 174972, 187470, 189553, 197885, 218715, 237462, 243711, 262458, 270790, 277039, 291620, 311220, 324948, 356193, 374940, 379106, 395770, 406185, 437430, 474924, 487422, 514501, 524916, 541580, 554078, 568659, 593655, 656145, 712386, 758212, 791540, 812370, 831117, 874860, 947765, 974844, 1029002, 1108156, 1137318, 1187310, 1218555, 1312290, 1385195, 1424772, 1543503, 1624740, 1662234, 1705977, 1780965, 1895530, 2058004, 2274636, 2374620, 2437110, 2493351, 2572505, 2624580, 2770390, 2843295, 3087006, 3324468, 3411954, 3561930, 3601507, 3791060, 4155585, 4630509, 4874220, 4986702, 5145010, 5540780, 5686590, 6174012, 6823908, 7123860, 7203014, 7717515, 8311170, 8529885, 9261018, 9973404, 10290020, 10804521, 11373180, 12466755, 14406028, 15435030, 16622340, 17059770, 18007535, 18522036, 21609042, 23152545, 24933510, 30870060, 32413563, 34119540, 36015070, 43218084, 46305090, 49867020, 54022605, 64827126, 72030140, 92610180, 108045210, 129654252, 162067815, 216090420, 324135630, 648271260]

約数ペア:

[(1, 648271260), (2, 324135630), (3, 216090420), (4, 162067815), (5, 129654252), (6, 108045210), (7, 92610180), (9, 72030140), (10, 64827126), (12, 54022605), (13, 49867020), (14, 46305090), (15, 43218084), (18, 36015070), (19, 34119540), (20, 32413563), (21, 30870060), (26, 24933510), (28, 23152545), (30, 21609042), (35, 18522036), (36, 18007535), (38, 17059770), (39, 16622340), (42, 15435030), (45, 14406028), (52, 12466755), (57, 11373180), (60, 10804521), (63, 10290020), (65, 9973404), (70, 9261018), (76, 8529885), (78, 8311170), (84, 7717515), (90, 7203014), (91, 7123860), (95, 6823908), (105, 6174012), (114, 5686590), (117, 5540780), (126, 5145010), (130, 4986702), (133, 4874220), (140, 4630509), (156, 4155585), (171, 3791060), (180, 3601507), (182, 3561930), (190, 3411954), (195, 3324468), (210, 3087006), (228, 2843295), (234, 2770390), (247, 2624580), (252, 2572505), (260, 2493351), (266, 2437110), (273, 2374620), (285, 2274636), (315, 2058004), (342, 1895530), (364, 1780965), (380, 1705977), (390, 1662234), (399, 1624740), (420, 1543503), (455, 1424772), (468, 1385195), (494, 1312290), (532, 1218555), (546, 1187310), (570, 1137318), (585, 1108156), (630, 1029002), (665, 974844), (684, 947765), (741, 874860), (780, 831117), (798, 812370), (819, 791540), (855, 758212), (910, 712386), (988, 656145), (1092, 593655), (1140, 568659), (1170, 554078), (1197, 541580), (1235, 524916), (1260, 514501), (1330, 487422), (1365, 474924), (1482, 437430), (1596, 406185), (1638, 395770), (1710, 379106), (1729, 374940), (1820, 356193), (1995, 324948), (2083, 311220), (2223, 291620), (2340, 277039), (2394, 270790), (2470, 262458), (2660, 243711), (2730, 237462), (2964, 218715), (3276, 197885), (3420, 189553), (3458, 187470), (3705, 174972), (3990, 162474), (4095, 158308), (4166, 155610), (4446, 145810), (4788, 135395), (4940, 131229), (5187, 124980), (5460, 118731), (5985, 108316), (6249, 103740), (6916, 93735), (7410, 87486), (7980, 81237), (8190, 79154), (8332, 77805), (8645, 74988), (8892, 72905), (10374, 62490), (10415, 62244), (11115, 58324), (11970, 54158), (12498, 51870), (14581, 44460), (14820, 43743), (15561, 41660), (16380, 39577), (17290, 37494), (18747, 34580), (20748, 31245), (20830, 31122), (22230, 29162), (23940, 27079), (24996, 25935)]