30926840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 83721600

約数和(自身を除く): 52794760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 509, 620, 868, 980, 1018, 1085, 1240, 1519, 1736, 1960, 2036, 2170, 2545, 3038, 3563, 4072, 4340, 5090, 6076, 7126, 7595, 8680, 10180, 12152, 14252, 15190, 15779, 17815, 20360, 24941, 28504, 30380, 31558, 35630, 49882, 60760, 63116, 71260, 78895, 99764, 110453, 124705, 126232, 142520, 157790, 199528, 220906, 249410, 315580, 441812, 498820, 552265, 631160, 773171, 883624, 997640, 1104530, 1546342, 2209060, 3092684, 3865855, 4418120, 6185368, 7731710, 15463420, 30926840]

約数ペア:

[(1, 30926840), (2, 15463420), (4, 7731710), (5, 6185368), (7, 4418120), (8, 3865855), (10, 3092684), (14, 2209060), (20, 1546342), (28, 1104530), (31, 997640), (35, 883624), (40, 773171), (49, 631160), (56, 552265), (62, 498820), (70, 441812), (98, 315580), (124, 249410), (140, 220906), (155, 199528), (196, 157790), (217, 142520), (245, 126232), (248, 124705), (280, 110453), (310, 99764), (392, 78895), (434, 71260), (490, 63116), (509, 60760), (620, 49882), (868, 35630), (980, 31558), (1018, 30380), (1085, 28504), (1240, 24941), (1519, 20360), (1736, 17815), (1960, 15779), (2036, 15190), (2170, 14252), (2545, 12152), (3038, 10180), (3563, 8680), (4072, 7595), (4340, 7126), (5090, 6076)]