81503640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4817}}^1$

素因数の和:4881

約数の個数: 96

約数和(自身を含む): 270578880

約数和(自身を除く): 189075240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1410, 1692, 1880, 2115, 2820, 3384, 4230, 4817, 5640, 8460, 9634, 14451, 16920, 19268, 24085, 28902, 38536, 43353, 48170, 57804, 72255, 86706, 96340, 115608, 144510, 173412, 192680, 216765, 226399, 289020, 346824, 433530, 452798, 578040, 679197, 867060, 905596, 1131995, 1358394, 1734120, 1811192, 2037591, 2263990, 2716788, 3395985, 4075182, 4527980, 5433576, 6791970, 8150364, 9055960, 10187955, 13583940, 16300728, 20375910, 27167880, 40751820, 81503640]

約数ペア:

[(1, 81503640), (2, 40751820), (3, 27167880), (4, 20375910), (5, 16300728), (6, 13583940), (8, 10187955), (9, 9055960), (10, 8150364), (12, 6791970), (15, 5433576), (18, 4527980), (20, 4075182), (24, 3395985), (30, 2716788), (36, 2263990), (40, 2037591), (45, 1811192), (47, 1734120), (60, 1358394), (72, 1131995), (90, 905596), (94, 867060), (120, 679197), (141, 578040), (180, 452798), (188, 433530), (235, 346824), (282, 289020), (360, 226399), (376, 216765), (423, 192680), (470, 173412), (564, 144510), (705, 115608), (846, 96340), (940, 86706), (1128, 72255), (1410, 57804), (1692, 48170), (1880, 43353), (2115, 38536), (2820, 28902), (3384, 24085), (4230, 19268), (4817, 16920), (5640, 14451), (8460, 9634)]