90143360

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2389

約数の個数: 64

約数和(自身を含む): 219126600

約数和(自身を除く): 128983240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2309, 2440, 3904, 4618, 4880, 7808, 9236, 9760, 11545, 18472, 19520, 23090, 36944, 39040, 46180, 73888, 92360, 140849, 147776, 184720, 281698, 295552, 369440, 563396, 704245, 738880, 1126792, 1408490, 1477760, 2253584, 2816980, 4507168, 5633960, 9014336, 11267920, 18028672, 22535840, 45071680, 90143360]

約数ペア:

[(1, 90143360), (2, 45071680), (4, 22535840), (5, 18028672), (8, 11267920), (10, 9014336), (16, 5633960), (20, 4507168), (32, 2816980), (40, 2253584), (61, 1477760), (64, 1408490), (80, 1126792), (122, 738880), (128, 704245), (160, 563396), (244, 369440), (305, 295552), (320, 281698), (488, 184720), (610, 147776), (640, 140849), (976, 92360), (1220, 73888), (1952, 46180), (2309, 39040), (2440, 36944), (3904, 23090), (4618, 19520), (4880, 18472), (7808, 11545), (9236, 9760)]