90807840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3359

約数の個数: 144

約数和(自身を含む): 326289600

約数和(自身を除く): 235481760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3319, 3420, 4560, 5472, 6638, 6840, 9120, 9957, 13276, 13680, 16595, 19914, 26552, 27360, 29871, 33190, 39828, 49785, 53104, 59742, 63061, 66380, 79656, 99570, 106208, 119484, 126122, 132760, 149355, 159312, 189183, 199140, 238968, 252244, 265520, 298710, 315305, 318624, 378366, 398280, 477936, 504488, 531040, 567549, 597420, 630610, 756732, 796560, 945915, 955872, 1008976, 1135098, 1194840, 1261220, 1513464, 1593120, 1891830, 2017952, 2270196, 2389680, 2522440, 2837745, 3026928, 3783660, 4540392, 4779360, 5044880, 5675490, 6053856, 7567320, 9080784, 10089760, 11350980, 15134640, 18161568, 22701960, 30269280, 45403920, 90807840]

約数ペア:

[(1, 90807840), (2, 45403920), (3, 30269280), (4, 22701960), (5, 18161568), (6, 15134640), (8, 11350980), (9, 10089760), (10, 9080784), (12, 7567320), (15, 6053856), (16, 5675490), (18, 5044880), (19, 4779360), (20, 4540392), (24, 3783660), (30, 3026928), (32, 2837745), (36, 2522440), (38, 2389680), (40, 2270196), (45, 2017952), (48, 1891830), (57, 1593120), (60, 1513464), (72, 1261220), (76, 1194840), (80, 1135098), (90, 1008976), (95, 955872), (96, 945915), (114, 796560), (120, 756732), (144, 630610), (152, 597420), (160, 567549), (171, 531040), (180, 504488), (190, 477936), (228, 398280), (240, 378366), (285, 318624), (288, 315305), (304, 298710), (342, 265520), (360, 252244), (380, 238968), (456, 199140), (480, 189183), (570, 159312), (608, 149355), (684, 132760), (720, 126122), (760, 119484), (855, 106208), (912, 99570), (1140, 79656), (1368, 66380), (1440, 63061), (1520, 59742), (1710, 53104), (1824, 49785), (2280, 39828), (2736, 33190), (3040, 29871), (3319, 27360), (3420, 26552), (4560, 19914), (5472, 16595), (6638, 13680), (6840, 13276), (9120, 9957)]