215558820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:783

約数の個数: 120

約数和(自身を含む): 680093568

約数和(自身を除く): 464534748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 271, 324, 405, 491, 540, 542, 810, 813, 982, 1084, 1355, 1473, 1620, 1626, 1964, 2439, 2455, 2710, 2946, 3252, 4065, 4419, 4878, 4910, 5420, 5892, 7317, 7365, 8130, 8838, 9756, 9820, 12195, 13257, 14634, 14730, 16260, 17676, 21951, 22095, 24390, 26514, 29268, 29460, 36585, 39771, 43902, 44190, 48780, 53028, 66285, 73170, 79542, 87804, 88380, 109755, 132570, 133061, 146340, 159084, 198855, 219510, 265140, 266122, 397710, 399183, 439020, 532244, 665305, 795420, 798366, 1197549, 1330610, 1596732, 1995915, 2395098, 2661220, 3592647, 3991830, 4790196, 5987745, 7185294, 7983660, 10777941, 11975490, 14370588, 17963235, 21555882, 23950980, 35926470, 43111764, 53889705, 71852940, 107779410, 215558820]

約数ペア:

[(1, 215558820), (2, 107779410), (3, 71852940), (4, 53889705), (5, 43111764), (6, 35926470), (9, 23950980), (10, 21555882), (12, 17963235), (15, 14370588), (18, 11975490), (20, 10777941), (27, 7983660), (30, 7185294), (36, 5987745), (45, 4790196), (54, 3991830), (60, 3592647), (81, 2661220), (90, 2395098), (108, 1995915), (135, 1596732), (162, 1330610), (180, 1197549), (270, 798366), (271, 795420), (324, 665305), (405, 532244), (491, 439020), (540, 399183), (542, 397710), (810, 266122), (813, 265140), (982, 219510), (1084, 198855), (1355, 159084), (1473, 146340), (1620, 133061), (1626, 132570), (1964, 109755), (2439, 88380), (2455, 87804), (2710, 79542), (2946, 73170), (3252, 66285), (4065, 53028), (4419, 48780), (4878, 44190), (4910, 43902), (5420, 39771), (5892, 36585), (7317, 29460), (7365, 29268), (8130, 26514), (8838, 24390), (9756, 22095), (9820, 21951), (12195, 17676), (13257, 16260), (14634, 14730)]