30966520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 82736640

約数和(自身を除く): 51770120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 113, 124, 130, 136, 155, 170, 221, 226, 248, 260, 310, 340, 403, 442, 452, 520, 527, 565, 620, 680, 806, 884, 904, 1054, 1105, 1130, 1240, 1469, 1612, 1768, 1921, 2015, 2108, 2210, 2260, 2635, 2938, 3224, 3503, 3842, 4030, 4216, 4420, 4520, 5270, 5876, 6851, 7006, 7345, 7684, 8060, 8840, 9605, 10540, 11752, 13702, 14012, 14690, 15368, 16120, 17515, 19210, 21080, 24973, 27404, 28024, 29380, 34255, 35030, 38420, 45539, 49946, 54808, 58760, 59551, 68510, 70060, 76840, 91078, 99892, 119102, 124865, 137020, 140120, 182156, 199784, 227695, 238204, 249730, 274040, 297755, 364312, 455390, 476408, 499460, 595510, 774163, 910780, 998920, 1191020, 1548326, 1821560, 2382040, 3096652, 3870815, 6193304, 7741630, 15483260, 30966520]

約数ペア:

[(1, 30966520), (2, 15483260), (4, 7741630), (5, 6193304), (8, 3870815), (10, 3096652), (13, 2382040), (17, 1821560), (20, 1548326), (26, 1191020), (31, 998920), (34, 910780), (40, 774163), (52, 595510), (62, 499460), (65, 476408), (68, 455390), (85, 364312), (104, 297755), (113, 274040), (124, 249730), (130, 238204), (136, 227695), (155, 199784), (170, 182156), (221, 140120), (226, 137020), (248, 124865), (260, 119102), (310, 99892), (340, 91078), (403, 76840), (442, 70060), (452, 68510), (520, 59551), (527, 58760), (565, 54808), (620, 49946), (680, 45539), (806, 38420), (884, 35030), (904, 34255), (1054, 29380), (1105, 28024), (1130, 27404), (1240, 24973), (1469, 21080), (1612, 19210), (1768, 17515), (1921, 16120), (2015, 15368), (2108, 14690), (2210, 14012), (2260, 13702), (2635, 11752), (2938, 10540), (3224, 9605), (3503, 8840), (3842, 8060), (4030, 7684), (4216, 7345), (4420, 7006), (4520, 6851), (5270, 5876)]