81791280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2417}}^1$

素因数の和:2483

約数の個数: 120

約数和(自身を含む): 280642752

約数和(自身を除く): 198851472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 180, 188, 235, 240, 282, 360, 376, 423, 470, 564, 705, 720, 752, 846, 940, 1128, 1410, 1692, 1880, 2115, 2256, 2417, 2820, 3384, 3760, 4230, 4834, 5640, 6768, 7251, 8460, 9668, 11280, 12085, 14502, 16920, 19336, 21753, 24170, 29004, 33840, 36255, 38672, 43506, 48340, 58008, 72510, 87012, 96680, 108765, 113599, 116016, 145020, 174024, 193360, 217530, 227198, 290040, 340797, 348048, 435060, 454396, 567995, 580080, 681594, 870120, 908792, 1022391, 1135990, 1363188, 1703985, 1740240, 1817584, 2044782, 2271980, 2726376, 3407970, 4089564, 4543960, 5111955, 5452752, 6815940, 8179128, 9087920, 10223910, 13631880, 16358256, 20447820, 27263760, 40895640, 81791280]

約数ペア:

[(1, 81791280), (2, 40895640), (3, 27263760), (4, 20447820), (5, 16358256), (6, 13631880), (8, 10223910), (9, 9087920), (10, 8179128), (12, 6815940), (15, 5452752), (16, 5111955), (18, 4543960), (20, 4089564), (24, 3407970), (30, 2726376), (36, 2271980), (40, 2044782), (45, 1817584), (47, 1740240), (48, 1703985), (60, 1363188), (72, 1135990), (80, 1022391), (90, 908792), (94, 870120), (120, 681594), (141, 580080), (144, 567995), (180, 454396), (188, 435060), (235, 348048), (240, 340797), (282, 290040), (360, 227198), (376, 217530), (423, 193360), (470, 174024), (564, 145020), (705, 116016), (720, 113599), (752, 108765), (846, 96680), (940, 87012), (1128, 72510), (1410, 58008), (1692, 48340), (1880, 43506), (2115, 38672), (2256, 36255), (2417, 33840), (2820, 29004), (3384, 24170), (3760, 21753), (4230, 19336), (4834, 16920), (5640, 14502), (6768, 12085), (7251, 11280), (8460, 9668)]