8120293020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{6444677}}^1$

素因数の和:6444699

約数の個数: 72

約数和(自身を含む): 28150353504

約数和(自身を除く): 20030060484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 6444677, 12889354, 19334031, 25778708, 32223385, 38668062, 45112739, 58002093, 64446770, 77336124, 90225478, 96670155, 116004186, 128893540, 135338217, 180450956, 193340310, 225563695, 232008372, 270676434, 290010465, 386680620, 406014651, 451127390, 541352868, 580020930, 676691085, 812029302, 902254780, 1160041860, 1353382170, 1624058604, 2030073255, 2706764340, 4060146510, 8120293020]

約数ペア:

[(1, 8120293020), (2, 4060146510), (3, 2706764340), (4, 2030073255), (5, 1624058604), (6, 1353382170), (7, 1160041860), (9, 902254780), (10, 812029302), (12, 676691085), (14, 580020930), (15, 541352868), (18, 451127390), (20, 406014651), (21, 386680620), (28, 290010465), (30, 270676434), (35, 232008372), (36, 225563695), (42, 193340310), (45, 180450956), (60, 135338217), (63, 128893540), (70, 116004186), (84, 96670155), (90, 90225478), (105, 77336124), (126, 64446770), (140, 58002093), (180, 45112739), (210, 38668062), (252, 32223385), (315, 25778708), (420, 19334031), (630, 12889354), (1260, 6444677)]