8137281420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1\times {\mathrm{1747}}^1$

素因数の和:2104

約数の個数: 144

約数和(自身を含む): 25024577760

約数和(自身を除く): 16887296340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 229, 339, 452, 458, 565, 678, 687, 916, 1017, 1130, 1145, 1356, 1374, 1695, 1747, 2034, 2061, 2260, 2290, 2748, 3390, 3435, 3494, 4068, 4122, 4580, 5085, 5241, 6780, 6870, 6988, 8244, 8735, 10170, 10305, 10482, 13740, 15723, 17470, 20340, 20610, 20964, 25877, 26205, 31446, 34940, 41220, 51754, 52410, 62892, 77631, 78615, 103508, 104820, 129385, 155262, 157230, 197411, 232893, 258770, 310524, 314460, 388155, 394822, 400063, 465786, 517540, 592233, 776310, 789644, 800126, 931572, 987055, 1164465, 1184466, 1200189, 1552620, 1600252, 1776699, 1974110, 2000315, 2328930, 2368932, 2400378, 2961165, 3553398, 3600567, 3948220, 4000630, 4657860, 4800756, 5922330, 6000945, 7106796, 7201134, 8001260, 8883495, 11844660, 12001890, 14402268, 17766990, 18002835, 24003780, 35533980, 36005670, 45207119, 72011340, 90414238, 135621357, 180828476, 226035595, 271242714, 406864071, 452071190, 542485428, 678106785, 813728142, 904142380, 1356213570, 1627456284, 2034320355, 2712427140, 4068640710, 8137281420]

約数ペア:

[(1, 8137281420), (2, 4068640710), (3, 2712427140), (4, 2034320355), (5, 1627456284), (6, 1356213570), (9, 904142380), (10, 813728142), (12, 678106785), (15, 542485428), (18, 452071190), (20, 406864071), (30, 271242714), (36, 226035595), (45, 180828476), (60, 135621357), (90, 90414238), (113, 72011340), (180, 45207119), (226, 36005670), (229, 35533980), (339, 24003780), (452, 18002835), (458, 17766990), (565, 14402268), (678, 12001890), (687, 11844660), (916, 8883495), (1017, 8001260), (1130, 7201134), (1145, 7106796), (1356, 6000945), (1374, 5922330), (1695, 4800756), (1747, 4657860), (2034, 4000630), (2061, 3948220), (2260, 3600567), (2290, 3553398), (2748, 2961165), (3390, 2400378), (3435, 2368932), (3494, 2328930), (4068, 2000315), (4122, 1974110), (4580, 1776699), (5085, 1600252), (5241, 1552620), (6780, 1200189), (6870, 1184466), (6988, 1164465), (8244, 987055), (8735, 931572), (10170, 800126), (10305, 789644), (10482, 776310), (13740, 592233), (15723, 517540), (17470, 465786), (20340, 400063), (20610, 394822), (20964, 388155), (25877, 314460), (26205, 310524), (31446, 258770), (34940, 232893), (41220, 197411), (51754, 157230), (52410, 155262), (62892, 129385), (77631, 104820), (78615, 103508)]