18960840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1747

約数の個数: 96

約数和(自身を含む): 63648000

約数和(自身を除く): 44687160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1699, 1860, 2232, 2790, 3398, 3720, 5097, 5580, 6796, 8495, 10194, 11160, 13592, 15291, 16990, 20388, 25485, 30582, 33980, 40776, 50970, 52669, 61164, 67960, 76455, 101940, 105338, 122328, 152910, 158007, 203880, 210676, 263345, 305820, 316014, 421352, 474021, 526690, 611640, 632028, 790035, 948042, 1053380, 1264056, 1580070, 1896084, 2106760, 2370105, 3160140, 3792168, 4740210, 6320280, 9480420, 18960840]

約数ペア:

[(1, 18960840), (2, 9480420), (3, 6320280), (4, 4740210), (5, 3792168), (6, 3160140), (8, 2370105), (9, 2106760), (10, 1896084), (12, 1580070), (15, 1264056), (18, 1053380), (20, 948042), (24, 790035), (30, 632028), (31, 611640), (36, 526690), (40, 474021), (45, 421352), (60, 316014), (62, 305820), (72, 263345), (90, 210676), (93, 203880), (120, 158007), (124, 152910), (155, 122328), (180, 105338), (186, 101940), (248, 76455), (279, 67960), (310, 61164), (360, 52669), (372, 50970), (465, 40776), (558, 33980), (620, 30582), (744, 25485), (930, 20388), (1116, 16990), (1240, 15291), (1395, 13592), (1699, 11160), (1860, 10194), (2232, 8495), (2790, 6796), (3398, 5580), (3720, 5097)]