80083980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4999}}^1$

素因数の和:5103

約数の個数: 72

約数和(自身を含む): 245700000

約数和(自身を除く): 165616020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 4999, 5340, 8010, 9998, 14997, 16020, 19996, 24995, 29994, 44991, 49990, 59988, 74985, 89982, 99980, 149970, 179964, 224955, 299940, 444911, 449910, 889822, 899820, 1334733, 1779644, 2224555, 2669466, 4004199, 4449110, 5338932, 6673665, 8008398, 8898220, 13347330, 16016796, 20020995, 26694660, 40041990, 80083980]

約数ペア:

[(1, 80083980), (2, 40041990), (3, 26694660), (4, 20020995), (5, 16016796), (6, 13347330), (9, 8898220), (10, 8008398), (12, 6673665), (15, 5338932), (18, 4449110), (20, 4004199), (30, 2669466), (36, 2224555), (45, 1779644), (60, 1334733), (89, 899820), (90, 889822), (178, 449910), (180, 444911), (267, 299940), (356, 224955), (445, 179964), (534, 149970), (801, 99980), (890, 89982), (1068, 74985), (1335, 59988), (1602, 49990), (1780, 44991), (2670, 29994), (3204, 24995), (4005, 19996), (4999, 16020), (5340, 14997), (8010, 9998)]