647512380

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:615

約数の個数: 168

約数和(自身を含む): 2065770000

約数和(自身を除く): 1418257620

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, 162, 178, 180, 243, 267, 270, 324, 356, 405, 445, 486, 499, 534, 540, 729, 801, 810, 890, 972, 998, 1068, 1215, 1335, 1458, 1497, 1602, 1620, 1780, 1996, 2403, 2430, 2495, 2670, 2916, 2994, 3204, 3645, 4005, 4491, 4806, 4860, 4990, 5340, 5988, 7209, 7290, 7485, 8010, 8982, 9612, 9980, 12015, 13473, 14418, 14580, 14970, 16020, 17964, 21627, 22455, 24030, 26946, 28836, 29940, 36045, 40419, 43254, 44411, 44910, 48060, 53892, 64881, 67365, 72090, 80838, 86508, 88822, 89820, 108135, 121257, 129762, 133233, 134730, 144180, 161676, 177644, 202095, 216270, 222055, 242514, 259524, 266466, 269460, 324405, 363771, 399699, 404190, 432540, 444110, 485028, 532932, 606285, 648810, 666165, 727542, 799398, 808380, 888220, 1199097, 1212570, 1297620, 1332330, 1455084, 1598796, 1818855, 1998495, 2398194, 2425140, 2664660, 3597291, 3637710, 3996990, 4796388, 5995485, 7194582, 7275420, 7993980, 10791873, 11990970, 14389164, 17986455, 21583746, 23981940, 32375619, 35972910, 43167492, 53959365, 64751238, 71945820, 107918730, 129502476, 161878095, 215837460, 323756190, 647512380]

約数ペア:

[(1, 647512380), (2, 323756190), (3, 215837460), (4, 161878095), (5, 129502476), (6, 107918730), (9, 71945820), (10, 64751238), (12, 53959365), (15, 43167492), (18, 35972910), (20, 32375619), (27, 23981940), (30, 21583746), (36, 17986455), (45, 14389164), (54, 11990970), (60, 10791873), (81, 7993980), (89, 7275420), (90, 7194582), (108, 5995485), (135, 4796388), (162, 3996990), (178, 3637710), (180, 3597291), (243, 2664660), (267, 2425140), (270, 2398194), (324, 1998495), (356, 1818855), (405, 1598796), (445, 1455084), (486, 1332330), (499, 1297620), (534, 1212570), (540, 1199097), (729, 888220), (801, 808380), (810, 799398), (890, 727542), (972, 666165), (998, 648810), (1068, 606285), (1215, 532932), (1335, 485028), (1458, 444110), (1497, 432540), (1602, 404190), (1620, 399699), (1780, 363771), (1996, 324405), (2403, 269460), (2430, 266466), (2495, 259524), (2670, 242514), (2916, 222055), (2994, 216270), (3204, 202095), (3645, 177644), (4005, 161676), (4491, 144180), (4806, 134730), (4860, 133233), (4990, 129762), (5340, 121257), (5988, 108135), (7209, 89820), (7290, 88822), (7485, 86508), (8010, 80838), (8982, 72090), (9612, 67365), (9980, 64881), (12015, 53892), (13473, 48060), (14418, 44910), (14580, 44411), (14970, 43254), (16020, 40419), (17964, 36045), (21627, 29940), (22455, 28836), (24030, 26946)]