655385220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8527}}^1$

素因数の和:8610

約数の個数: 144

約数和(自身を含む): 2309518848

約数和(自身を除く): 1654133628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1708, 1830, 2135, 2196, 2562, 2745, 3660, 3843, 4270, 5124, 5490, 6405, 7686, 8527, 8540, 10980, 12810, 15372, 17054, 19215, 25581, 25620, 34108, 38430, 42635, 51162, 59689, 76743, 76860, 85270, 102324, 119378, 127905, 153486, 170540, 179067, 238756, 255810, 298445, 306972, 358134, 383715, 511620, 520147, 537201, 596890, 716268, 767430, 895335, 1040294, 1074402, 1193780, 1534860, 1560441, 1790670, 2080588, 2148804, 2600735, 2686005, 3120882, 3581340, 3641029, 4681323, 5201470, 5372010, 6241764, 7282058, 7802205, 9362646, 10402940, 10744020, 10923087, 14564116, 15604410, 18205145, 18725292, 21846174, 23406615, 31208820, 32769261, 36410290, 43692348, 46813230, 54615435, 65538522, 72820580, 93626460, 109230870, 131077044, 163846305, 218461740, 327692610, 655385220]

約数ペア:

[(1, 655385220), (2, 327692610), (3, 218461740), (4, 163846305), (5, 131077044), (6, 109230870), (7, 93626460), (9, 72820580), (10, 65538522), (12, 54615435), (14, 46813230), (15, 43692348), (18, 36410290), (20, 32769261), (21, 31208820), (28, 23406615), (30, 21846174), (35, 18725292), (36, 18205145), (42, 15604410), (45, 14564116), (60, 10923087), (61, 10744020), (63, 10402940), (70, 9362646), (84, 7802205), (90, 7282058), (105, 6241764), (122, 5372010), (126, 5201470), (140, 4681323), (180, 3641029), (183, 3581340), (210, 3120882), (244, 2686005), (252, 2600735), (305, 2148804), (315, 2080588), (366, 1790670), (420, 1560441), (427, 1534860), (549, 1193780), (610, 1074402), (630, 1040294), (732, 895335), (854, 767430), (915, 716268), (1098, 596890), (1220, 537201), (1260, 520147), (1281, 511620), (1708, 383715), (1830, 358134), (2135, 306972), (2196, 298445), (2562, 255810), (2745, 238756), (3660, 179067), (3843, 170540), (4270, 153486), (5124, 127905), (5490, 119378), (6405, 102324), (7686, 85270), (8527, 76860), (8540, 76743), (10980, 59689), (12810, 51162), (15372, 42635), (17054, 38430), (19215, 34108), (25581, 25620)]