1988100180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{30427}}^1$

素因数の和:30467

約数の個数: 144

約数和(自身を含む): 6798832320

約数和(自身を除く): 4810732140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 330, 363, 396, 484, 495, 540, 594, 605, 660, 726, 990, 1089, 1188, 1210, 1452, 1485, 1815, 1980, 2178, 2420, 2970, 3267, 3630, 4356, 5445, 5940, 6534, 7260, 10890, 13068, 16335, 21780, 30427, 32670, 60854, 65340, 91281, 121708, 152135, 182562, 273843, 304270, 334697, 365124, 456405, 547686, 608540, 669394, 821529, 912810, 1004091, 1095372, 1338788, 1369215, 1643058, 1673485, 1825620, 2008182, 2738430, 3012273, 3286116, 3346970, 3681667, 4016364, 4107645, 5020455, 5476860, 6024546, 6693940, 7363334, 8215290, 9036819, 10040910, 11045001, 12049092, 14726668, 15061365, 16430580, 18073638, 18408335, 20081820, 22090002, 30122730, 33135003, 36147276, 36816670, 44180004, 45184095, 55225005, 60245460, 66270006, 73633340, 90368190, 99405009, 110450010, 132540012, 165675015, 180736380, 198810018, 220900020, 331350030, 397620036, 497025045, 662700060, 994050090, 1988100180]

約数ペア:

[(1, 1988100180), (2, 994050090), (3, 662700060), (4, 497025045), (5, 397620036), (6, 331350030), (9, 220900020), (10, 198810018), (11, 180736380), (12, 165675015), (15, 132540012), (18, 110450010), (20, 99405009), (22, 90368190), (27, 73633340), (30, 66270006), (33, 60245460), (36, 55225005), (44, 45184095), (45, 44180004), (54, 36816670), (55, 36147276), (60, 33135003), (66, 30122730), (90, 22090002), (99, 20081820), (108, 18408335), (110, 18073638), (121, 16430580), (132, 15061365), (135, 14726668), (165, 12049092), (180, 11045001), (198, 10040910), (220, 9036819), (242, 8215290), (270, 7363334), (297, 6693940), (330, 6024546), (363, 5476860), (396, 5020455), (484, 4107645), (495, 4016364), (540, 3681667), (594, 3346970), (605, 3286116), (660, 3012273), (726, 2738430), (990, 2008182), (1089, 1825620), (1188, 1673485), (1210, 1643058), (1452, 1369215), (1485, 1338788), (1815, 1095372), (1980, 1004091), (2178, 912810), (2420, 821529), (2970, 669394), (3267, 608540), (3630, 547686), (4356, 456405), (5445, 365124), (5940, 334697), (6534, 304270), (7260, 273843), (10890, 182562), (13068, 152135), (16335, 121708), (21780, 91281), (30427, 65340), (32670, 60854)]