321036172880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2131}}^1\times {\mathrm{30871}}^1$

素因数の和:33076

約数の個数: 80

約数和(自身を含む): 759025907328

約数和(自身を除く): 437989734448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2131, 2440, 4262, 4880, 8524, 10655, 17048, 21310, 30871, 34096, 42620, 61742, 85240, 123484, 129991, 154355, 170480, 246968, 259982, 308710, 493936, 519964, 617420, 649955, 1039928, 1234840, 1299910, 1883131, 2079856, 2469680, 2599820, 3766262, 5199640, 7532524, 9415655, 10399280, 15065048, 18831310, 30130096, 37662620, 65786101, 75325240, 131572202, 150650480, 263144404, 328930505, 526288808, 657861010, 1052577616, 1315722020, 2631444040, 4012952161, 5262888080, 8025904322, 16051808644, 20064760805, 32103617288, 40129521610, 64207234576, 80259043220, 160518086440, 321036172880]

約数ペア:

[(1, 321036172880), (2, 160518086440), (4, 80259043220), (5, 64207234576), (8, 40129521610), (10, 32103617288), (16, 20064760805), (20, 16051808644), (40, 8025904322), (61, 5262888080), (80, 4012952161), (122, 2631444040), (244, 1315722020), (305, 1052577616), (488, 657861010), (610, 526288808), (976, 328930505), (1220, 263144404), (2131, 150650480), (2440, 131572202), (4262, 75325240), (4880, 65786101), (8524, 37662620), (10655, 30130096), (17048, 18831310), (21310, 15065048), (30871, 10399280), (34096, 9415655), (42620, 7532524), (61742, 5199640), (85240, 3766262), (123484, 2599820), (129991, 2469680), (154355, 2079856), (170480, 1883131), (246968, 1299910), (259982, 1234840), (308710, 1039928), (493936, 649955), (519964, 617420)]