30899910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 76515840

約数和(自身を除く): 45615930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 89, 142, 163, 178, 213, 267, 326, 355, 426, 445, 489, 534, 710, 815, 890, 978, 1065, 1335, 1630, 2130, 2445, 2670, 4890, 6319, 11573, 12638, 14507, 18957, 23146, 29014, 31595, 34719, 37914, 43521, 57865, 63190, 69438, 72535, 87042, 94785, 115730, 145070, 173595, 189570, 217605, 347190, 435210, 1029997, 2059994, 3089991, 5149985, 6179982, 10299970, 15449955, 30899910]

約数ペア:

[(1, 30899910), (2, 15449955), (3, 10299970), (5, 6179982), (6, 5149985), (10, 3089991), (15, 2059994), (30, 1029997), (71, 435210), (89, 347190), (142, 217605), (163, 189570), (178, 173595), (213, 145070), (267, 115730), (326, 94785), (355, 87042), (426, 72535), (445, 69438), (489, 63190), (534, 57865), (710, 43521), (815, 37914), (890, 34719), (978, 31595), (1065, 29014), (1335, 23146), (1630, 18957), (2130, 14507), (2445, 12638), (2670, 11573), (4890, 6319)]