87820740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{3319}}^1$

素因数の和:3351

約数の個数: 144

約数和(自身を含む): 317923200

約数和(自身を除く): 230102460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3319, 3780, 4410, 5292, 6615, 6638, 8820, 9957, 13230, 13276, 16595, 19914, 23233, 26460, 29871, 33190, 39828, 46466, 49785, 59742, 66380, 69699, 89613, 92932, 99570, 116165, 119484, 139398, 149355, 162631, 179226, 199140, 209097, 232330, 278796, 298710, 325262, 348495, 358452, 418194, 448065, 464660, 487893, 597420, 627291, 650524, 696990, 813155, 836388, 896130, 975786, 1045485, 1254582, 1393980, 1463679, 1626310, 1792260, 1951572, 2090970, 2439465, 2509164, 2927358, 3136455, 3252620, 4181940, 4391037, 4878930, 5854716, 6272910, 7318395, 8782074, 9757860, 12545820, 14636790, 17564148, 21955185, 29273580, 43910370, 87820740]

約数ペア:

[(1, 87820740), (2, 43910370), (3, 29273580), (4, 21955185), (5, 17564148), (6, 14636790), (7, 12545820), (9, 9757860), (10, 8782074), (12, 7318395), (14, 6272910), (15, 5854716), (18, 4878930), (20, 4391037), (21, 4181940), (27, 3252620), (28, 3136455), (30, 2927358), (35, 2509164), (36, 2439465), (42, 2090970), (45, 1951572), (49, 1792260), (54, 1626310), (60, 1463679), (63, 1393980), (70, 1254582), (84, 1045485), (90, 975786), (98, 896130), (105, 836388), (108, 813155), (126, 696990), (135, 650524), (140, 627291), (147, 597420), (180, 487893), (189, 464660), (196, 448065), (210, 418194), (245, 358452), (252, 348495), (270, 325262), (294, 298710), (315, 278796), (378, 232330), (420, 209097), (441, 199140), (490, 179226), (540, 162631), (588, 149355), (630, 139398), (735, 119484), (756, 116165), (882, 99570), (945, 92932), (980, 89613), (1260, 69699), (1323, 66380), (1470, 59742), (1764, 49785), (1890, 46466), (2205, 39828), (2646, 33190), (2940, 29871), (3319, 26460), (3780, 23233), (4410, 19914), (5292, 16595), (6615, 13276), (6638, 13230), (8820, 9957)]