620702680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 1556755200

約数和(自身を除く): 936052520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 109, 130, 188, 218, 233, 235, 260, 376, 436, 466, 470, 520, 545, 611, 872, 932, 940, 1090, 1165, 1222, 1417, 1864, 1880, 2180, 2330, 2444, 2834, 3029, 3055, 4360, 4660, 4888, 5123, 5668, 6058, 6110, 7085, 9320, 10246, 10951, 11336, 12116, 12220, 14170, 15145, 20492, 21902, 24232, 24440, 25397, 25615, 28340, 30290, 40984, 43804, 50794, 51230, 54755, 56680, 60580, 66599, 87608, 101588, 102460, 109510, 121160, 126985, 133198, 142363, 203176, 204920, 219020, 253970, 266396, 284726, 330161, 332995, 438040, 507940, 532792, 569452, 660322, 665990, 711815, 1015880, 1138904, 1193659, 1320644, 1331980, 1423630, 1650805, 2387318, 2641288, 2663960, 2847260, 3301610, 4774636, 5694520, 5968295, 6603220, 9549272, 11936590, 13206440, 15517567, 23873180, 31035134, 47746360, 62070268, 77587835, 124140536, 155175670, 310351340, 620702680]

約数ペア:

[(1, 620702680), (2, 310351340), (4, 155175670), (5, 124140536), (8, 77587835), (10, 62070268), (13, 47746360), (20, 31035134), (26, 23873180), (40, 15517567), (47, 13206440), (52, 11936590), (65, 9549272), (94, 6603220), (104, 5968295), (109, 5694520), (130, 4774636), (188, 3301610), (218, 2847260), (233, 2663960), (235, 2641288), (260, 2387318), (376, 1650805), (436, 1423630), (466, 1331980), (470, 1320644), (520, 1193659), (545, 1138904), (611, 1015880), (872, 711815), (932, 665990), (940, 660322), (1090, 569452), (1165, 532792), (1222, 507940), (1417, 438040), (1864, 332995), (1880, 330161), (2180, 284726), (2330, 266396), (2444, 253970), (2834, 219020), (3029, 204920), (3055, 203176), (4360, 142363), (4660, 133198), (4888, 126985), (5123, 121160), (5668, 109510), (6058, 102460), (6110, 101588), (7085, 87608), (9320, 66599), (10246, 60580), (10951, 56680), (11336, 54755), (12116, 51230), (12220, 50794), (14170, 43804), (15145, 40984), (20492, 30290), (21902, 28340), (24232, 25615), (24440, 25397)]