64023160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1381}}^1$

素因数の和:1472

約数の個数: 64

約数和(自身を含む): 154231200

約数和(自身を除く): 90208040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 1381, 2318, 2440, 2762, 4636, 5524, 5795, 6905, 9272, 11048, 11590, 13810, 23180, 26239, 27620, 46360, 52478, 55240, 84241, 104956, 131195, 168482, 209912, 262390, 336964, 421205, 524780, 673928, 842410, 1049560, 1600579, 1684820, 3201158, 3369640, 6402316, 8002895, 12804632, 16005790, 32011580, 64023160]

約数ペア:

[(1, 64023160), (2, 32011580), (4, 16005790), (5, 12804632), (8, 8002895), (10, 6402316), (19, 3369640), (20, 3201158), (38, 1684820), (40, 1600579), (61, 1049560), (76, 842410), (95, 673928), (122, 524780), (152, 421205), (190, 336964), (244, 262390), (305, 209912), (380, 168482), (488, 131195), (610, 104956), (760, 84241), (1159, 55240), (1220, 52478), (1381, 46360), (2318, 27620), (2440, 26239), (2762, 23180), (4636, 13810), (5524, 11590), (5795, 11048), (6905, 9272)]