1491671020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 3869171712

約数和(自身を除く): 2377500692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 41, 62, 70, 82, 83, 101, 124, 140, 155, 164, 166, 202, 205, 217, 287, 310, 332, 404, 410, 415, 434, 505, 574, 581, 620, 707, 820, 830, 868, 1010, 1085, 1148, 1162, 1271, 1414, 1435, 1660, 2020, 2170, 2324, 2542, 2573, 2828, 2870, 2905, 3131, 3403, 3535, 4141, 4340, 5084, 5146, 5740, 5810, 6262, 6355, 6806, 7070, 8282, 8383, 8897, 10292, 11620, 12524, 12710, 12865, 13612, 14140, 15655, 16564, 16766, 17015, 17794, 18011, 20705, 21917, 23821, 25420, 25730, 28987, 31310, 33532, 34030, 35588, 36022, 41410, 41915, 43834, 44485, 47642, 51460, 57974, 58681, 62620, 68060, 72044, 82820, 83830, 87668, 88970, 90055, 95284, 105493, 109585, 115948, 117362, 119105, 128371, 144935, 167660, 177940, 180110, 210986, 219170, 234724, 238210, 256742, 259873, 289870, 293405, 343703, 360220, 421972, 438340, 476420, 513484, 519746, 527465, 579740, 586810, 641855, 687406, 738451, 898597, 1039492, 1054930, 1173620, 1283710, 1299365, 1374812, 1476902, 1718515, 1797194, 1819111, 2109860, 2405921, 2567420, 2598730, 2953804, 3437030, 3594388, 3638222, 3692255, 4492985, 4811842, 5197460, 6874060, 7276444, 7384510, 8985970, 9095555, 9623684, 10654793, 12029605, 14769020, 17971940, 18191110, 21309586, 24059210, 36382220, 42619172, 48118420, 53273965, 74583551, 106547930, 149167102, 213095860, 298334204, 372917755, 745835510, 1491671020]

約数ペア:

[(1, 1491671020), (2, 745835510), (4, 372917755), (5, 298334204), (7, 213095860), (10, 149167102), (14, 106547930), (20, 74583551), (28, 53273965), (31, 48118420), (35, 42619172), (41, 36382220), (62, 24059210), (70, 21309586), (82, 18191110), (83, 17971940), (101, 14769020), (124, 12029605), (140, 10654793), (155, 9623684), (164, 9095555), (166, 8985970), (202, 7384510), (205, 7276444), (217, 6874060), (287, 5197460), (310, 4811842), (332, 4492985), (404, 3692255), (410, 3638222), (415, 3594388), (434, 3437030), (505, 2953804), (574, 2598730), (581, 2567420), (620, 2405921), (707, 2109860), (820, 1819111), (830, 1797194), (868, 1718515), (1010, 1476902), (1085, 1374812), (1148, 1299365), (1162, 1283710), (1271, 1173620), (1414, 1054930), (1435, 1039492), (1660, 898597), (2020, 738451), (2170, 687406), (2324, 641855), (2542, 586810), (2573, 579740), (2828, 527465), (2870, 519746), (2905, 513484), (3131, 476420), (3403, 438340), (3535, 421972), (4141, 360220), (4340, 343703), (5084, 293405), (5146, 289870), (5740, 259873), (5810, 256742), (6262, 238210), (6355, 234724), (6806, 219170), (7070, 210986), (8282, 180110), (8383, 177940), (8897, 167660), (10292, 144935), (11620, 128371), (12524, 119105), (12710, 117362), (12865, 115948), (13612, 109585), (14140, 105493), (15655, 95284), (16564, 90055), (16766, 88970), (17015, 87668), (17794, 83830), (18011, 82820), (20705, 72044), (21917, 68060), (23821, 62620), (25420, 58681), (25730, 57974), (28987, 51460), (31310, 47642), (33532, 44485), (34030, 43834), (35588, 41915), (36022, 41410)]