81089580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{727}}^1$

素因数の和:776

約数の個数: 144

約数和(自身を含む): 268579584

約数和(自身を除く): 187490004

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 169, 195, 220, 260, 286, 330, 338, 390, 429, 507, 572, 660, 676, 715, 727, 780, 845, 858, 1014, 1430, 1454, 1690, 1716, 1859, 2028, 2145, 2181, 2535, 2860, 2908, 3380, 3635, 3718, 4290, 4362, 5070, 5577, 7270, 7436, 7997, 8580, 8724, 9295, 9451, 10140, 10905, 11154, 14540, 15994, 18590, 18902, 21810, 22308, 23991, 27885, 28353, 31988, 37180, 37804, 39985, 43620, 47255, 47982, 55770, 56706, 79970, 94510, 95964, 103961, 111540, 113412, 119955, 122863, 141765, 159940, 189020, 207922, 239910, 245726, 283530, 311883, 368589, 415844, 479820, 491452, 519805, 567060, 614315, 623766, 737178, 1039610, 1228630, 1247532, 1351493, 1474356, 1559415, 1842945, 2079220, 2457260, 2702986, 3118830, 3685890, 4054479, 5405972, 6237660, 6757465, 7371780, 8108958, 13514930, 16217916, 20272395, 27029860, 40544790, 81089580]

約数ペア:

[(1, 81089580), (2, 40544790), (3, 27029860), (4, 20272395), (5, 16217916), (6, 13514930), (10, 8108958), (11, 7371780), (12, 6757465), (13, 6237660), (15, 5405972), (20, 4054479), (22, 3685890), (26, 3118830), (30, 2702986), (33, 2457260), (39, 2079220), (44, 1842945), (52, 1559415), (55, 1474356), (60, 1351493), (65, 1247532), (66, 1228630), (78, 1039610), (110, 737178), (130, 623766), (132, 614315), (143, 567060), (156, 519805), (165, 491452), (169, 479820), (195, 415844), (220, 368589), (260, 311883), (286, 283530), (330, 245726), (338, 239910), (390, 207922), (429, 189020), (507, 159940), (572, 141765), (660, 122863), (676, 119955), (715, 113412), (727, 111540), (780, 103961), (845, 95964), (858, 94510), (1014, 79970), (1430, 56706), (1454, 55770), (1690, 47982), (1716, 47255), (1859, 43620), (2028, 39985), (2145, 37804), (2181, 37180), (2535, 31988), (2860, 28353), (2908, 27885), (3380, 23991), (3635, 22308), (3718, 21810), (4290, 18902), (4362, 18590), (5070, 15994), (5577, 14540), (7270, 11154), (7436, 10905), (7997, 10140), (8580, 9451), (8724, 9295)]