30029080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 71066880

約数和(自身を除く): 41037800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 397, 488, 610, 620, 794, 1220, 1240, 1588, 1891, 1985, 2440, 3176, 3782, 3970, 7564, 7940, 9455, 12307, 15128, 15880, 18910, 24217, 24614, 37820, 48434, 49228, 61535, 75640, 96868, 98456, 121085, 123070, 193736, 242170, 246140, 484340, 492280, 750727, 968680, 1501454, 3002908, 3753635, 6005816, 7507270, 15014540, 30029080]

約数ペア:

[(1, 30029080), (2, 15014540), (4, 7507270), (5, 6005816), (8, 3753635), (10, 3002908), (20, 1501454), (31, 968680), (40, 750727), (61, 492280), (62, 484340), (122, 246140), (124, 242170), (155, 193736), (244, 123070), (248, 121085), (305, 98456), (310, 96868), (397, 75640), (488, 61535), (610, 49228), (620, 48434), (794, 37820), (1220, 24614), (1240, 24217), (1588, 18910), (1891, 15880), (1985, 15128), (2440, 12307), (3176, 9455), (3782, 7940), (3970, 7564)]