18617580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1499}}^1$

素因数の和:1540

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 41862420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 1499, 2070, 2484, 2998, 3105, 4140, 4497, 5996, 6210, 7495, 8994, 12420, 13491, 14990, 17988, 22485, 26982, 29980, 34477, 40473, 44970, 53964, 67455, 68954, 80946, 89940, 103431, 134910, 137908, 161892, 172385, 202365, 206862, 269820, 310293, 344770, 404730, 413724, 517155, 620586, 689540, 809460, 930879, 1034310, 1241172, 1551465, 1861758, 2068620, 3102930, 3723516, 4654395, 6205860, 9308790, 18617580]

約数ペア:

[(1, 18617580), (2, 9308790), (3, 6205860), (4, 4654395), (5, 3723516), (6, 3102930), (9, 2068620), (10, 1861758), (12, 1551465), (15, 1241172), (18, 1034310), (20, 930879), (23, 809460), (27, 689540), (30, 620586), (36, 517155), (45, 413724), (46, 404730), (54, 344770), (60, 310293), (69, 269820), (90, 206862), (92, 202365), (108, 172385), (115, 161892), (135, 137908), (138, 134910), (180, 103431), (207, 89940), (230, 80946), (270, 68954), (276, 67455), (345, 53964), (414, 44970), (460, 40473), (540, 34477), (621, 29980), (690, 26982), (828, 22485), (1035, 17988), (1242, 14990), (1380, 13491), (1499, 12420), (2070, 8994), (2484, 7495), (2998, 6210), (3105, 5996), (4140, 4497)]