18858720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 60147360

約数和(自身を除く): 41288640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 101, 120, 160, 202, 240, 303, 389, 404, 480, 505, 606, 778, 808, 1010, 1167, 1212, 1515, 1556, 1616, 1945, 2020, 2334, 2424, 3030, 3112, 3232, 3890, 4040, 4668, 4848, 5835, 6060, 6224, 7780, 8080, 9336, 9696, 11670, 12120, 12448, 15560, 16160, 18672, 23340, 24240, 31120, 37344, 39289, 46680, 48480, 62240, 78578, 93360, 117867, 157156, 186720, 196445, 235734, 314312, 392890, 471468, 589335, 628624, 785780, 942936, 1178670, 1257248, 1571560, 1885872, 2357340, 3143120, 3771744, 4714680, 6286240, 9429360, 18858720]

約数ペア:

[(1, 18858720), (2, 9429360), (3, 6286240), (4, 4714680), (5, 3771744), (6, 3143120), (8, 2357340), (10, 1885872), (12, 1571560), (15, 1257248), (16, 1178670), (20, 942936), (24, 785780), (30, 628624), (32, 589335), (40, 471468), (48, 392890), (60, 314312), (80, 235734), (96, 196445), (101, 186720), (120, 157156), (160, 117867), (202, 93360), (240, 78578), (303, 62240), (389, 48480), (404, 46680), (480, 39289), (505, 37344), (606, 31120), (778, 24240), (808, 23340), (1010, 18672), (1167, 16160), (1212, 15560), (1515, 12448), (1556, 12120), (1616, 11670), (1945, 9696), (2020, 9336), (2334, 8080), (2424, 7780), (3030, 6224), (3112, 6060), (3232, 5835), (3890, 4848), (4040, 4668)]