2220840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 7488000

約数和(自身を除く): 5267160

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, 199, 248, 279, 310, 360, 372, 398, 465, 558, 597, 620, 744, 796, 930, 995, 1116, 1194, 1240, 1395, 1592, 1791, 1860, 1990, 2232, 2388, 2790, 2985, 3582, 3720, 3980, 4776, 5580, 5970, 6169, 7164, 7960, 8955, 11160, 11940, 12338, 14328, 17910, 18507, 23880, 24676, 30845, 35820, 37014, 49352, 55521, 61690, 71640, 74028, 92535, 111042, 123380, 148056, 185070, 222084, 246760, 277605, 370140, 444168, 555210, 740280, 1110420, 2220840]

約数ペア:

[(1, 2220840), (2, 1110420), (3, 740280), (4, 555210), (5, 444168), (6, 370140), (8, 277605), (9, 246760), (10, 222084), (12, 185070), (15, 148056), (18, 123380), (20, 111042), (24, 92535), (30, 74028), (31, 71640), (36, 61690), (40, 55521), (45, 49352), (60, 37014), (62, 35820), (72, 30845), (90, 24676), (93, 23880), (120, 18507), (124, 17910), (155, 14328), (180, 12338), (186, 11940), (199, 11160), (248, 8955), (279, 7960), (310, 7164), (360, 6169), (372, 5970), (398, 5580), (465, 4776), (558, 3980), (597, 3720), (620, 3582), (744, 2985), (796, 2790), (930, 2388), (995, 2232), (1116, 1990), (1194, 1860), (1240, 1791), (1395, 1592)]