210088980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2339}}^1$

素因数の和:2853

約数の個数: 72

約数和(自身を含む): 638820000

約数和(自身を除く): 428731020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1996, 2339, 2495, 2994, 4491, 4678, 4990, 5988, 7017, 7485, 8982, 9356, 9980, 11695, 14034, 14970, 17964, 21051, 22455, 23390, 28068, 29940, 35085, 42102, 44910, 46780, 70170, 84204, 89820, 105255, 140340, 210510, 421020, 1167161, 2334322, 3501483, 4668644, 5835805, 7002966, 10504449, 11671610, 14005932, 17507415, 21008898, 23343220, 35014830, 42017796, 52522245, 70029660, 105044490, 210088980]

約数ペア:

[(1, 210088980), (2, 105044490), (3, 70029660), (4, 52522245), (5, 42017796), (6, 35014830), (9, 23343220), (10, 21008898), (12, 17507415), (15, 14005932), (18, 11671610), (20, 10504449), (30, 7002966), (36, 5835805), (45, 4668644), (60, 3501483), (90, 2334322), (180, 1167161), (499, 421020), (998, 210510), (1497, 140340), (1996, 105255), (2339, 89820), (2495, 84204), (2994, 70170), (4491, 46780), (4678, 44910), (4990, 42102), (5988, 35085), (7017, 29940), (7485, 28068), (8982, 23390), (9356, 22455), (9980, 21051), (11695, 17964), (14034, 14970)]