1636589640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{5087}}^1$

素因数の和:5491

約数の個数: 128

約数和(自身を含む): 5626920960

約数和(自身を除く): 3990331320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 383, 420, 766, 840, 1149, 1532, 1915, 2298, 2681, 3064, 3830, 4596, 5087, 5362, 5745, 7660, 8043, 9192, 10174, 10724, 11490, 13405, 15261, 15320, 16086, 20348, 21448, 22980, 25435, 26810, 30522, 32172, 35609, 40215, 40696, 45960, 50870, 53620, 61044, 64344, 71218, 76305, 80430, 101740, 106827, 107240, 122088, 142436, 152610, 160860, 178045, 203480, 213654, 284872, 305220, 321720, 356090, 427308, 534135, 610440, 712180, 854616, 1068270, 1424360, 1948321, 2136540, 3896642, 4273080, 5844963, 7793284, 9741605, 11689926, 13638247, 15586568, 19483210, 23379852, 27276494, 29224815, 38966420, 40914741, 46759704, 54552988, 58449630, 68191235, 77932840, 81829482, 109105976, 116899260, 136382470, 163658964, 204573705, 233798520, 272764940, 327317928, 409147410, 545529880, 818294820, 1636589640]

約数ペア:

[(1, 1636589640), (2, 818294820), (3, 545529880), (4, 409147410), (5, 327317928), (6, 272764940), (7, 233798520), (8, 204573705), (10, 163658964), (12, 136382470), (14, 116899260), (15, 109105976), (20, 81829482), (21, 77932840), (24, 68191235), (28, 58449630), (30, 54552988), (35, 46759704), (40, 40914741), (42, 38966420), (56, 29224815), (60, 27276494), (70, 23379852), (84, 19483210), (105, 15586568), (120, 13638247), (140, 11689926), (168, 9741605), (210, 7793284), (280, 5844963), (383, 4273080), (420, 3896642), (766, 2136540), (840, 1948321), (1149, 1424360), (1532, 1068270), (1915, 854616), (2298, 712180), (2681, 610440), (3064, 534135), (3830, 427308), (4596, 356090), (5087, 321720), (5362, 305220), (5745, 284872), (7660, 213654), (8043, 203480), (9192, 178045), (10174, 160860), (10724, 152610), (11490, 142436), (13405, 122088), (15261, 107240), (15320, 106827), (16086, 101740), (20348, 80430), (21448, 76305), (22980, 71218), (25435, 64344), (26810, 61044), (30522, 53620), (32172, 50870), (35609, 45960), (40215, 40696)]