128247720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56249}}^1$

素因数の和:56282

約数の個数: 64

約数和(自身を含む): 405000000

約数和(自身を除く): 276752280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 56249, 112498, 168747, 224996, 281245, 337494, 449992, 562490, 674988, 843735, 1068731, 1124980, 1349976, 1687470, 2137462, 2249960, 3206193, 3374940, 4274924, 5343655, 6412386, 6749880, 8549848, 10687310, 12824772, 16030965, 21374620, 25649544, 32061930, 42749240, 64123860, 128247720]

約数ペア:

[(1, 128247720), (2, 64123860), (3, 42749240), (4, 32061930), (5, 25649544), (6, 21374620), (8, 16030965), (10, 12824772), (12, 10687310), (15, 8549848), (19, 6749880), (20, 6412386), (24, 5343655), (30, 4274924), (38, 3374940), (40, 3206193), (57, 2249960), (60, 2137462), (76, 1687470), (95, 1349976), (114, 1124980), (120, 1068731), (152, 843735), (190, 674988), (228, 562490), (285, 449992), (380, 337494), (456, 281245), (570, 224996), (760, 168747), (1140, 112498), (2280, 56249)]