180208980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1607}}^1$

素因数の和:1718

約数の個数: 144

約数和(自身を含む): 632136960

約数和(自身を除く): 451927980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 801, 890, 1068, 1246, 1260, 1335, 1602, 1607, 1780, 1869, 2492, 2670, 3115, 3204, 3214, 3738, 4005, 4821, 5340, 5607, 6230, 6428, 7476, 8010, 8035, 9345, 9642, 11214, 11249, 12460, 14463, 16020, 16070, 18690, 19284, 22428, 22498, 24105, 28035, 28926, 32140, 33747, 37380, 44996, 48210, 56070, 56245, 57852, 67494, 72315, 96420, 101241, 112140, 112490, 134988, 143023, 144630, 168735, 202482, 224980, 286046, 289260, 337470, 404964, 429069, 506205, 572092, 674940, 715115, 858138, 1001161, 1012410, 1287207, 1430230, 1716276, 2002322, 2024820, 2145345, 2574414, 2860460, 3003483, 4004644, 4290690, 5005805, 5148828, 6006966, 6436035, 8581380, 9010449, 10011610, 12013932, 12872070, 15017415, 18020898, 20023220, 25744140, 30034830, 36041796, 45052245, 60069660, 90104490, 180208980]

約数ペア:

[(1, 180208980), (2, 90104490), (3, 60069660), (4, 45052245), (5, 36041796), (6, 30034830), (7, 25744140), (9, 20023220), (10, 18020898), (12, 15017415), (14, 12872070), (15, 12013932), (18, 10011610), (20, 9010449), (21, 8581380), (28, 6436035), (30, 6006966), (35, 5148828), (36, 5005805), (42, 4290690), (45, 4004644), (60, 3003483), (63, 2860460), (70, 2574414), (84, 2145345), (89, 2024820), (90, 2002322), (105, 1716276), (126, 1430230), (140, 1287207), (178, 1012410), (180, 1001161), (210, 858138), (252, 715115), (267, 674940), (315, 572092), (356, 506205), (420, 429069), (445, 404964), (534, 337470), (623, 289260), (630, 286046), (801, 224980), (890, 202482), (1068, 168735), (1246, 144630), (1260, 143023), (1335, 134988), (1602, 112490), (1607, 112140), (1780, 101241), (1869, 96420), (2492, 72315), (2670, 67494), (3115, 57852), (3204, 56245), (3214, 56070), (3738, 48210), (4005, 44996), (4821, 37380), (5340, 33747), (5607, 32140), (6230, 28926), (6428, 28035), (7476, 24105), (8010, 22498), (8035, 22428), (9345, 19284), (9642, 18690), (11214, 16070), (11249, 16020), (12460, 14463)]