263439540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1787}}^1$

素因数の和:1828

約数の個数: 240

約数和(自身を含む): 1017700992

約数和(自身を除く): 754261452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 420, 455, 468, 540, 546, 567, 585, 630, 702, 756, 780, 810, 819, 910, 945, 1053, 1092, 1134, 1170, 1260, 1365, 1404, 1620, 1638, 1755, 1787, 1820, 1890, 2106, 2268, 2340, 2457, 2730, 2835, 3276, 3510, 3574, 3780, 4095, 4212, 4914, 5265, 5361, 5460, 5670, 7020, 7148, 7371, 8190, 8935, 9828, 10530, 10722, 11340, 12285, 12509, 14742, 16083, 16380, 17870, 21060, 21444, 23231, 24570, 25018, 26805, 29484, 32166, 35740, 36855, 37527, 46462, 48249, 49140, 50036, 53610, 62545, 64332, 69693, 73710, 75054, 80415, 92924, 96498, 107220, 112581, 116155, 125090, 139386, 144747, 147420, 150108, 160830, 162617, 187635, 192996, 209079, 225162, 232310, 241245, 250180, 278772, 289494, 321660, 325234, 337743, 348465, 375270, 418158, 450324, 464620, 482490, 487851, 562905, 578988, 627237, 650468, 675486, 696930, 723735, 750540, 813085, 836316, 964980, 975702, 1013229, 1045395, 1125810, 1254474, 1350972, 1393860, 1447470, 1463553, 1626170, 1688715, 1881711, 1951404, 2026458, 2090790, 2251620, 2439255, 2508948, 2894940, 2927106, 3136185, 3252340, 3377430, 3763422, 4052916, 4181580, 4390659, 4878510, 5066145, 5854212, 6272370, 6754860, 7317765, 7526844, 8781318, 9408555, 9757020, 10132290, 12544740, 13171977, 14635530, 17562636, 18817110, 20264580, 21953295, 26343954, 29271060, 37634220, 43906590, 52687908, 65859885, 87813180, 131719770, 263439540]

約数ペア:

[(1, 263439540), (2, 131719770), (3, 87813180), (4, 65859885), (5, 52687908), (6, 43906590), (7, 37634220), (9, 29271060), (10, 26343954), (12, 21953295), (13, 20264580), (14, 18817110), (15, 17562636), (18, 14635530), (20, 13171977), (21, 12544740), (26, 10132290), (27, 9757020), (28, 9408555), (30, 8781318), (35, 7526844), (36, 7317765), (39, 6754860), (42, 6272370), (45, 5854212), (52, 5066145), (54, 4878510), (60, 4390659), (63, 4181580), (65, 4052916), (70, 3763422), (78, 3377430), (81, 3252340), (84, 3136185), (90, 2927106), (91, 2894940), (105, 2508948), (108, 2439255), (117, 2251620), (126, 2090790), (130, 2026458), (135, 1951404), (140, 1881711), (156, 1688715), (162, 1626170), (180, 1463553), (182, 1447470), (189, 1393860), (195, 1350972), (210, 1254474), (234, 1125810), (252, 1045395), (260, 1013229), (270, 975702), (273, 964980), (315, 836316), (324, 813085), (351, 750540), (364, 723735), (378, 696930), (390, 675486), (405, 650468), (420, 627237), (455, 578988), (468, 562905), (540, 487851), (546, 482490), (567, 464620), (585, 450324), (630, 418158), (702, 375270), (756, 348465), (780, 337743), (810, 325234), (819, 321660), (910, 289494), (945, 278772), (1053, 250180), (1092, 241245), (1134, 232310), (1170, 225162), (1260, 209079), (1365, 192996), (1404, 187635), (1620, 162617), (1638, 160830), (1755, 150108), (1787, 147420), (1820, 144747), (1890, 139386), (2106, 125090), (2268, 116155), (2340, 112581), (2457, 107220), (2730, 96498), (2835, 92924), (3276, 80415), (3510, 75054), (3574, 73710), (3780, 69693), (4095, 64332), (4212, 62545), (4914, 53610), (5265, 50036), (5361, 49140), (5460, 48249), (5670, 46462), (7020, 37527), (7148, 36855), (7371, 35740), (8190, 32166), (8935, 29484), (9828, 26805), (10530, 25018), (10722, 24570), (11340, 23231), (12285, 21444), (12509, 21060), (14742, 17870), (16083, 16380)]