647059140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39503}}^1$

素因数の和:39538

約数の個数: 144

約数和(自身を含む): 2415748608

約数和(自身を除く): 1768689468

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, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 39503, 79006, 118509, 158012, 197515, 237018, 276521, 355527, 395030, 474036, 513539, 553042, 592545, 711054, 790060, 829563, 1027078, 1106084, 1185090, 1382605, 1422108, 1540617, 1659126, 1777635, 2054156, 2370180, 2488689, 2567695, 2765210, 3081234, 3318252, 3555270, 3594773, 4147815, 4621851, 4977378, 5135390, 5530420, 6162468, 7110540, 7189546, 7703085, 8295630, 9243702, 9954756, 10270780, 10784319, 12443445, 14379092, 15406170, 16591260, 17973865, 18487404, 21568638, 23109255, 24886890, 30812340, 32352957, 35947730, 43137276, 46218510, 49773780, 53921595, 64705914, 71895460, 92437020, 107843190, 129411828, 161764785, 215686380, 323529570, 647059140]

約数ペア:

[(1, 647059140), (2, 323529570), (3, 215686380), (4, 161764785), (5, 129411828), (6, 107843190), (7, 92437020), (9, 71895460), (10, 64705914), (12, 53921595), (13, 49773780), (14, 46218510), (15, 43137276), (18, 35947730), (20, 32352957), (21, 30812340), (26, 24886890), (28, 23109255), (30, 21568638), (35, 18487404), (36, 17973865), (39, 16591260), (42, 15406170), (45, 14379092), (52, 12443445), (60, 10784319), (63, 10270780), (65, 9954756), (70, 9243702), (78, 8295630), (84, 7703085), (90, 7189546), (91, 7110540), (105, 6162468), (117, 5530420), (126, 5135390), (130, 4977378), (140, 4621851), (156, 4147815), (180, 3594773), (182, 3555270), (195, 3318252), (210, 3081234), (234, 2765210), (252, 2567695), (260, 2488689), (273, 2370180), (315, 2054156), (364, 1777635), (390, 1659126), (420, 1540617), (455, 1422108), (468, 1382605), (546, 1185090), (585, 1106084), (630, 1027078), (780, 829563), (819, 790060), (910, 711054), (1092, 592545), (1170, 553042), (1260, 513539), (1365, 474036), (1638, 395030), (1820, 355527), (2340, 276521), (2730, 237018), (3276, 197515), (4095, 158012), (5460, 118509), (8190, 79006), (16380, 39503)]