31001460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 99950592

約数和(自身を除く): 68949132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 223, 331, 420, 446, 662, 669, 892, 993, 1115, 1324, 1338, 1561, 1655, 1986, 2230, 2317, 2676, 3122, 3310, 3345, 3972, 4460, 4634, 4683, 4965, 6244, 6620, 6690, 6951, 7805, 9268, 9366, 9930, 11585, 13380, 13902, 15610, 18732, 19860, 23170, 23415, 27804, 31220, 34755, 46340, 46830, 69510, 73813, 93660, 139020, 147626, 221439, 295252, 369065, 442878, 516691, 738130, 885756, 1033382, 1107195, 1476260, 1550073, 2066764, 2214390, 2583455, 3100146, 4428780, 5166910, 6200292, 7750365, 10333820, 15500730, 31001460]

約数ペア:

[(1, 31001460), (2, 15500730), (3, 10333820), (4, 7750365), (5, 6200292), (6, 5166910), (7, 4428780), (10, 3100146), (12, 2583455), (14, 2214390), (15, 2066764), (20, 1550073), (21, 1476260), (28, 1107195), (30, 1033382), (35, 885756), (42, 738130), (60, 516691), (70, 442878), (84, 369065), (105, 295252), (140, 221439), (210, 147626), (223, 139020), (331, 93660), (420, 73813), (446, 69510), (662, 46830), (669, 46340), (892, 34755), (993, 31220), (1115, 27804), (1324, 23415), (1338, 23170), (1561, 19860), (1655, 18732), (1986, 15610), (2230, 13902), (2317, 13380), (2676, 11585), (3122, 9930), (3310, 9366), (3345, 9268), (3972, 7805), (4460, 6951), (4634, 6690), (4683, 6620), (4965, 6244)]