79788420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 254392320

約数和(自身を除く): 174603900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 79, 90, 93, 124, 155, 158, 180, 181, 186, 237, 279, 310, 316, 362, 372, 395, 465, 474, 543, 558, 620, 711, 724, 790, 905, 930, 948, 1086, 1116, 1185, 1395, 1422, 1580, 1629, 1810, 1860, 2172, 2370, 2449, 2715, 2790, 2844, 3258, 3555, 3620, 4740, 4898, 5430, 5580, 5611, 6516, 7110, 7347, 8145, 9796, 10860, 11222, 12245, 14220, 14299, 14694, 16290, 16833, 22041, 22444, 24490, 28055, 28598, 29388, 32580, 33666, 36735, 42897, 44082, 48980, 50499, 56110, 57196, 67332, 71495, 73470, 84165, 85794, 88164, 100998, 110205, 112220, 128691, 142990, 146940, 168330, 171588, 201996, 214485, 220410, 252495, 257382, 285980, 336660, 428970, 440820, 443269, 504990, 514764, 643455, 857940, 886538, 1009980, 1286910, 1329807, 1773076, 2216345, 2573820, 2659614, 3989421, 4432690, 5319228, 6649035, 7978842, 8865380, 13298070, 15957684, 19947105, 26596140, 39894210, 79788420]

約数ペア:

[(1, 79788420), (2, 39894210), (3, 26596140), (4, 19947105), (5, 15957684), (6, 13298070), (9, 8865380), (10, 7978842), (12, 6649035), (15, 5319228), (18, 4432690), (20, 3989421), (30, 2659614), (31, 2573820), (36, 2216345), (45, 1773076), (60, 1329807), (62, 1286910), (79, 1009980), (90, 886538), (93, 857940), (124, 643455), (155, 514764), (158, 504990), (180, 443269), (181, 440820), (186, 428970), (237, 336660), (279, 285980), (310, 257382), (316, 252495), (362, 220410), (372, 214485), (395, 201996), (465, 171588), (474, 168330), (543, 146940), (558, 142990), (620, 128691), (711, 112220), (724, 110205), (790, 100998), (905, 88164), (930, 85794), (948, 84165), (1086, 73470), (1116, 71495), (1185, 67332), (1395, 57196), (1422, 56110), (1580, 50499), (1629, 48980), (1810, 44082), (1860, 42897), (2172, 36735), (2370, 33666), (2449, 32580), (2715, 29388), (2790, 28598), (2844, 28055), (3258, 24490), (3555, 22444), (3620, 22041), (4740, 16833), (4898, 16290), (5430, 14694), (5580, 14299), (5611, 14220), (6516, 12245), (7110, 11222), (7347, 10860), (8145, 9796)]