64448460

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 206388000

約数和(自身を除く): 141939540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 149, 162, 178, 180, 243, 267, 270, 298, 324, 356, 405, 445, 447, 486, 534, 540, 596, 745, 801, 810, 890, 894, 972, 1068, 1215, 1335, 1341, 1490, 1602, 1620, 1780, 1788, 2235, 2403, 2430, 2670, 2682, 2980, 3204, 4005, 4023, 4470, 4806, 4860, 5340, 5364, 6705, 7209, 8010, 8046, 8940, 9612, 12015, 12069, 13261, 13410, 14418, 16020, 16092, 20115, 21627, 24030, 24138, 26522, 26820, 28836, 36045, 36207, 39783, 40230, 43254, 48060, 48276, 53044, 60345, 66305, 72090, 72414, 79566, 80460, 86508, 108135, 119349, 120690, 132610, 144180, 144828, 159132, 181035, 198915, 216270, 238698, 241380, 265220, 358047, 362070, 397830, 432540, 477396, 596745, 716094, 724140, 795660, 1074141, 1193490, 1432188, 1790235, 2148282, 2386980, 3222423, 3580470, 4296564, 5370705, 6444846, 7160940, 10741410, 12889692, 16112115, 21482820, 32224230, 64448460]

約数ペア:

[(1, 64448460), (2, 32224230), (3, 21482820), (4, 16112115), (5, 12889692), (6, 10741410), (9, 7160940), (10, 6444846), (12, 5370705), (15, 4296564), (18, 3580470), (20, 3222423), (27, 2386980), (30, 2148282), (36, 1790235), (45, 1432188), (54, 1193490), (60, 1074141), (81, 795660), (89, 724140), (90, 716094), (108, 596745), (135, 477396), (149, 432540), (162, 397830), (178, 362070), (180, 358047), (243, 265220), (267, 241380), (270, 238698), (298, 216270), (324, 198915), (356, 181035), (405, 159132), (445, 144828), (447, 144180), (486, 132610), (534, 120690), (540, 119349), (596, 108135), (745, 86508), (801, 80460), (810, 79566), (890, 72414), (894, 72090), (972, 66305), (1068, 60345), (1215, 53044), (1335, 48276), (1341, 48060), (1490, 43254), (1602, 40230), (1620, 39783), (1780, 36207), (1788, 36045), (2235, 28836), (2403, 26820), (2430, 26522), (2670, 24138), (2682, 24030), (2980, 21627), (3204, 20115), (4005, 16092), (4023, 16020), (4470, 14418), (4806, 13410), (4860, 13261), (5340, 12069), (5364, 12015), (6705, 9612), (7209, 8940), (8010, 8046)]