90748480

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4649}}^1$

素因数の和:4727

約数の個数: 56

約数和(自身を含む): 219684600

約数和(自身を除く): 128936120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4649, 4880, 9298, 9760, 18596, 19520, 23245, 37192, 46490, 74384, 92980, 148768, 185960, 283589, 297536, 371920, 567178, 743840, 1134356, 1417945, 1487680, 2268712, 2835890, 4537424, 5671780, 9074848, 11343560, 18149696, 22687120, 45374240, 90748480]

約数ペア:

[(1, 90748480), (2, 45374240), (4, 22687120), (5, 18149696), (8, 11343560), (10, 9074848), (16, 5671780), (20, 4537424), (32, 2835890), (40, 2268712), (61, 1487680), (64, 1417945), (80, 1134356), (122, 743840), (160, 567178), (244, 371920), (305, 297536), (320, 283589), (488, 185960), (610, 148768), (976, 92980), (1220, 74384), (1952, 46490), (2440, 37192), (3904, 23245), (4649, 19520), (4880, 18596), (9298, 9760)]