30321880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 75374640

約数和(自身を除く): 45052760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 61, 68, 85, 86, 122, 136, 170, 172, 215, 244, 289, 305, 340, 344, 430, 488, 578, 610, 680, 731, 860, 1037, 1156, 1220, 1445, 1462, 1720, 2074, 2312, 2440, 2623, 2890, 2924, 3655, 4148, 5185, 5246, 5780, 5848, 7310, 8296, 10370, 10492, 11560, 12427, 13115, 14620, 17629, 20740, 20984, 24854, 26230, 29240, 35258, 41480, 44591, 49708, 52460, 62135, 70516, 88145, 89182, 99416, 104920, 124270, 141032, 176290, 178364, 222955, 248540, 352580, 356728, 445910, 497080, 705160, 758047, 891820, 1516094, 1783640, 3032188, 3790235, 6064376, 7580470, 15160940, 30321880]

約数ペア:

[(1, 30321880), (2, 15160940), (4, 7580470), (5, 6064376), (8, 3790235), (10, 3032188), (17, 1783640), (20, 1516094), (34, 891820), (40, 758047), (43, 705160), (61, 497080), (68, 445910), (85, 356728), (86, 352580), (122, 248540), (136, 222955), (170, 178364), (172, 176290), (215, 141032), (244, 124270), (289, 104920), (305, 99416), (340, 89182), (344, 88145), (430, 70516), (488, 62135), (578, 52460), (610, 49708), (680, 44591), (731, 41480), (860, 35258), (1037, 29240), (1156, 26230), (1220, 24854), (1445, 20984), (1462, 20740), (1720, 17629), (2074, 14620), (2312, 13115), (2440, 12427), (2623, 11560), (2890, 10492), (2924, 10370), (3655, 8296), (4148, 7310), (5185, 5848), (5246, 5780)]