8120000160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{20357}}^1$

素因数の和:20655

約数の個数: 144

約数和(自身を含む): 27810900936

約数和(自身を除く): 19690900776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 277, 288, 360, 480, 554, 720, 831, 1108, 1385, 1440, 1662, 2216, 2493, 2770, 3324, 4155, 4432, 4986, 5540, 6648, 8310, 8864, 9972, 11080, 12465, 13296, 16620, 19944, 20357, 22160, 24930, 26592, 33240, 39888, 40714, 44320, 49860, 61071, 66480, 79776, 81428, 99720, 101785, 122142, 132960, 162856, 183213, 199440, 203570, 244284, 305355, 325712, 366426, 398880, 407140, 488568, 610710, 651424, 732852, 814280, 916065, 977136, 1221420, 1465704, 1628560, 1832130, 1954272, 2442840, 2931408, 3257120, 3664260, 4885680, 5638889, 5862816, 7328520, 9771360, 11277778, 14657040, 16916667, 22555556, 28194445, 29314080, 33833334, 45111112, 50750001, 56388890, 67666668, 84583335, 90222224, 101500002, 112777780, 135333336, 169166670, 180444448, 203000004, 225555560, 253750005, 270666672, 338333340, 406000008, 451111120, 507500010, 541333344, 676666680, 812000016, 902222240, 1015000020, 1353333360, 1624000032, 2030000040, 2706666720, 4060000080, 8120000160]

約数ペア:

[(1, 8120000160), (2, 4060000080), (3, 2706666720), (4, 2030000040), (5, 1624000032), (6, 1353333360), (8, 1015000020), (9, 902222240), (10, 812000016), (12, 676666680), (15, 541333344), (16, 507500010), (18, 451111120), (20, 406000008), (24, 338333340), (30, 270666672), (32, 253750005), (36, 225555560), (40, 203000004), (45, 180444448), (48, 169166670), (60, 135333336), (72, 112777780), (80, 101500002), (90, 90222224), (96, 84583335), (120, 67666668), (144, 56388890), (160, 50750001), (180, 45111112), (240, 33833334), (277, 29314080), (288, 28194445), (360, 22555556), (480, 16916667), (554, 14657040), (720, 11277778), (831, 9771360), (1108, 7328520), (1385, 5862816), (1440, 5638889), (1662, 4885680), (2216, 3664260), (2493, 3257120), (2770, 2931408), (3324, 2442840), (4155, 1954272), (4432, 1832130), (4986, 1628560), (5540, 1465704), (6648, 1221420), (8310, 977136), (8864, 916065), (9972, 814280), (11080, 732852), (12465, 651424), (13296, 610710), (16620, 488568), (19944, 407140), (20357, 398880), (22160, 366426), (24930, 325712), (26592, 305355), (33240, 244284), (39888, 203570), (40714, 199440), (44320, 183213), (49860, 162856), (61071, 132960), (66480, 122142), (79776, 101785), (81428, 99720)]