61809540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 188348160

約数和(自身を除く): 126538620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 109, 130, 156, 195, 218, 260, 327, 390, 436, 545, 654, 727, 780, 1090, 1308, 1417, 1454, 1635, 2180, 2181, 2834, 2908, 3270, 3635, 4251, 4362, 5668, 6540, 7085, 7270, 8502, 8724, 9451, 10905, 14170, 14540, 17004, 18902, 21255, 21810, 28340, 28353, 37804, 42510, 43620, 47255, 56706, 79243, 85020, 94510, 113412, 141765, 158486, 189020, 237729, 283530, 316972, 396215, 475458, 567060, 792430, 950916, 1030159, 1188645, 1584860, 2060318, 2377290, 3090477, 4120636, 4754580, 5150795, 6180954, 10301590, 12361908, 15452385, 20603180, 30904770, 61809540]

約数ペア:

[(1, 61809540), (2, 30904770), (3, 20603180), (4, 15452385), (5, 12361908), (6, 10301590), (10, 6180954), (12, 5150795), (13, 4754580), (15, 4120636), (20, 3090477), (26, 2377290), (30, 2060318), (39, 1584860), (52, 1188645), (60, 1030159), (65, 950916), (78, 792430), (109, 567060), (130, 475458), (156, 396215), (195, 316972), (218, 283530), (260, 237729), (327, 189020), (390, 158486), (436, 141765), (545, 113412), (654, 94510), (727, 85020), (780, 79243), (1090, 56706), (1308, 47255), (1417, 43620), (1454, 42510), (1635, 37804), (2180, 28353), (2181, 28340), (2834, 21810), (2908, 21255), (3270, 18902), (3635, 17004), (4251, 14540), (4362, 14170), (5668, 10905), (6540, 9451), (7085, 8724), (7270, 8502)]