61515720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 256

約数和(自身を含む): 239616000

約数和(自身を除く): 178100280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 79, 84, 90, 103, 105, 108, 120, 126, 135, 140, 158, 168, 180, 189, 206, 210, 216, 237, 252, 270, 280, 309, 315, 316, 360, 378, 395, 412, 420, 474, 504, 515, 540, 553, 618, 630, 632, 711, 721, 756, 790, 824, 840, 927, 945, 948, 1030, 1080, 1106, 1185, 1236, 1260, 1422, 1442, 1512, 1545, 1580, 1659, 1854, 1890, 1896, 2060, 2133, 2163, 2212, 2370, 2472, 2520, 2765, 2781, 2844, 2884, 3090, 3160, 3318, 3555, 3605, 3708, 3780, 4120, 4266, 4326, 4424, 4635, 4740, 4977, 5530, 5562, 5688, 5768, 6180, 6489, 6636, 7110, 7210, 7416, 7560, 8137, 8295, 8532, 8652, 9270, 9480, 9954, 10665, 10815, 11060, 11124, 12360, 12978, 13272, 13905, 14220, 14420, 14931, 16274, 16590, 17064, 17304, 18540, 19467, 19908, 21330, 21630, 22120, 22248, 24411, 24885, 25956, 27810, 28440, 28840, 29862, 32445, 32548, 33180, 37080, 38934, 39816, 40685, 42660, 43260, 48822, 49770, 51912, 55620, 56959, 59724, 64890, 65096, 66360, 73233, 74655, 77868, 81370, 85320, 86520, 97335, 97644, 99540, 111240, 113918, 119448, 122055, 129780, 146466, 149310, 155736, 162740, 170877, 194670, 195288, 199080, 219699, 227836, 244110, 259560, 284795, 292932, 298620, 325480, 341754, 366165, 389340, 439398, 455672, 488220, 512631, 569590, 585864, 597240, 683508, 732330, 778680, 854385, 878796, 976440, 1025262, 1098495, 1139180, 1367016, 1464660, 1537893, 1708770, 1757592, 2050524, 2196990, 2278360, 2563155, 2929320, 3075786, 3417540, 4101048, 4393980, 5126310, 6151572, 6835080, 7689465, 8787960, 10252620, 12303144, 15378930, 20505240, 30757860, 61515720]

約数ペア:

[(1, 61515720), (2, 30757860), (3, 20505240), (4, 15378930), (5, 12303144), (6, 10252620), (7, 8787960), (8, 7689465), (9, 6835080), (10, 6151572), (12, 5126310), (14, 4393980), (15, 4101048), (18, 3417540), (20, 3075786), (21, 2929320), (24, 2563155), (27, 2278360), (28, 2196990), (30, 2050524), (35, 1757592), (36, 1708770), (40, 1537893), (42, 1464660), (45, 1367016), (54, 1139180), (56, 1098495), (60, 1025262), (63, 976440), (70, 878796), (72, 854385), (79, 778680), (84, 732330), (90, 683508), (103, 597240), (105, 585864), (108, 569590), (120, 512631), (126, 488220), (135, 455672), (140, 439398), (158, 389340), (168, 366165), (180, 341754), (189, 325480), (206, 298620), (210, 292932), (216, 284795), (237, 259560), (252, 244110), (270, 227836), (280, 219699), (309, 199080), (315, 195288), (316, 194670), (360, 170877), (378, 162740), (395, 155736), (412, 149310), (420, 146466), (474, 129780), (504, 122055), (515, 119448), (540, 113918), (553, 111240), (618, 99540), (630, 97644), (632, 97335), (711, 86520), (721, 85320), (756, 81370), (790, 77868), (824, 74655), (840, 73233), (927, 66360), (945, 65096), (948, 64890), (1030, 59724), (1080, 56959), (1106, 55620), (1185, 51912), (1236, 49770), (1260, 48822), (1422, 43260), (1442, 42660), (1512, 40685), (1545, 39816), (1580, 38934), (1659, 37080), (1854, 33180), (1890, 32548), (1896, 32445), (2060, 29862), (2133, 28840), (2163, 28440), (2212, 27810), (2370, 25956), (2472, 24885), (2520, 24411), (2765, 22248), (2781, 22120), (2844, 21630), (2884, 21330), (3090, 19908), (3160, 19467), (3318, 18540), (3555, 17304), (3605, 17064), (3708, 16590), (3780, 16274), (4120, 14931), (4266, 14420), (4326, 14220), (4424, 13905), (4635, 13272), (4740, 12978), (4977, 12360), (5530, 11124), (5562, 11060), (5688, 10815), (5768, 10665), (6180, 9954), (6489, 9480), (6636, 9270), (7110, 8652), (7210, 8532), (7416, 8295), (7560, 8137)]