72131280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 160

約数和(自身を含む): 245400960

約数和(自身を除く): 173269680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 78, 80, 104, 120, 122, 130, 156, 183, 195, 208, 240, 244, 260, 305, 312, 366, 379, 390, 488, 520, 610, 624, 732, 758, 780, 793, 915, 976, 1040, 1137, 1220, 1464, 1516, 1560, 1586, 1830, 1895, 2274, 2379, 2440, 2928, 3032, 3120, 3172, 3660, 3790, 3965, 4548, 4758, 4880, 4927, 5685, 6064, 6344, 7320, 7580, 7930, 9096, 9516, 9854, 11370, 11895, 12688, 14640, 14781, 15160, 15860, 18192, 19032, 19708, 22740, 23119, 23790, 24635, 29562, 30320, 31720, 38064, 39416, 45480, 46238, 47580, 49270, 59124, 63440, 69357, 73905, 78832, 90960, 92476, 95160, 98540, 115595, 118248, 138714, 147810, 184952, 190320, 197080, 231190, 236496, 277428, 295620, 300547, 346785, 369904, 394160, 462380, 554856, 591240, 601094, 693570, 901641, 924760, 1109712, 1182480, 1202188, 1387140, 1502735, 1803282, 1849520, 2404376, 2774280, 3005470, 3606564, 4508205, 4808752, 5548560, 6010940, 7213128, 9016410, 12021880, 14426256, 18032820, 24043760, 36065640, 72131280]

約数ペア:

[(1, 72131280), (2, 36065640), (3, 24043760), (4, 18032820), (5, 14426256), (6, 12021880), (8, 9016410), (10, 7213128), (12, 6010940), (13, 5548560), (15, 4808752), (16, 4508205), (20, 3606564), (24, 3005470), (26, 2774280), (30, 2404376), (39, 1849520), (40, 1803282), (48, 1502735), (52, 1387140), (60, 1202188), (61, 1182480), (65, 1109712), (78, 924760), (80, 901641), (104, 693570), (120, 601094), (122, 591240), (130, 554856), (156, 462380), (183, 394160), (195, 369904), (208, 346785), (240, 300547), (244, 295620), (260, 277428), (305, 236496), (312, 231190), (366, 197080), (379, 190320), (390, 184952), (488, 147810), (520, 138714), (610, 118248), (624, 115595), (732, 98540), (758, 95160), (780, 92476), (793, 90960), (915, 78832), (976, 73905), (1040, 69357), (1137, 63440), (1220, 59124), (1464, 49270), (1516, 47580), (1560, 46238), (1586, 45480), (1830, 39416), (1895, 38064), (2274, 31720), (2379, 30320), (2440, 29562), (2928, 24635), (3032, 23790), (3120, 23119), (3172, 22740), (3660, 19708), (3790, 19032), (3965, 18192), (4548, 15860), (4758, 15160), (4880, 14781), (4927, 14640), (5685, 12688), (6064, 11895), (6344, 11370), (7320, 9854), (7580, 9516), (7930, 9096)]