45147920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 112693680

約数和(自身を除く): 67545760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 373, 445, 680, 712, 746, 890, 1360, 1424, 1492, 1513, 1780, 1865, 2984, 3026, 3560, 3730, 5968, 6052, 6341, 7120, 7460, 7565, 12104, 12682, 14920, 15130, 24208, 25364, 29840, 30260, 31705, 33197, 50728, 60520, 63410, 66394, 101456, 121040, 126820, 132788, 165985, 253640, 265576, 331970, 507280, 531152, 564349, 663940, 1128698, 1327880, 2257396, 2655760, 2821745, 4514792, 5643490, 9029584, 11286980, 22573960, 45147920]

約数ペア:

[(1, 45147920), (2, 22573960), (4, 11286980), (5, 9029584), (8, 5643490), (10, 4514792), (16, 2821745), (17, 2655760), (20, 2257396), (34, 1327880), (40, 1128698), (68, 663940), (80, 564349), (85, 531152), (89, 507280), (136, 331970), (170, 265576), (178, 253640), (272, 165985), (340, 132788), (356, 126820), (373, 121040), (445, 101456), (680, 66394), (712, 63410), (746, 60520), (890, 50728), (1360, 33197), (1424, 31705), (1492, 30260), (1513, 29840), (1780, 25364), (1865, 24208), (2984, 15130), (3026, 14920), (3560, 12682), (3730, 12104), (5968, 7565), (6052, 7460), (6341, 7120)]