219070980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:791

約数の個数: 120

約数和(自身を含む): 691152000

約数和(自身を除く): 472081020

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, 499, 540, 542, 810, 813, 998, 1084, 1355, 1497, 1620, 1626, 1996, 2439, 2495, 2710, 2994, 3252, 4065, 4491, 4878, 4990, 5420, 5988, 7317, 7485, 8130, 8982, 9756, 9980, 12195, 13473, 14634, 14970, 16260, 17964, 21951, 22455, 24390, 26946, 29268, 29940, 36585, 40419, 43902, 44910, 48780, 53892, 67365, 73170, 80838, 87804, 89820, 109755, 134730, 135229, 146340, 161676, 202095, 219510, 269460, 270458, 404190, 405687, 439020, 540916, 676145, 808380, 811374, 1217061, 1352290, 1622748, 2028435, 2434122, 2704580, 3651183, 4056870, 4868244, 6085305, 7302366, 8113740, 10953549, 12170610, 14604732, 18255915, 21907098, 24341220, 36511830, 43814196, 54767745, 73023660, 109535490, 219070980]

約数ペア:

[(1, 219070980), (2, 109535490), (3, 73023660), (4, 54767745), (5, 43814196), (6, 36511830), (9, 24341220), (10, 21907098), (12, 18255915), (15, 14604732), (18, 12170610), (20, 10953549), (27, 8113740), (30, 7302366), (36, 6085305), (45, 4868244), (54, 4056870), (60, 3651183), (81, 2704580), (90, 2434122), (108, 2028435), (135, 1622748), (162, 1352290), (180, 1217061), (270, 811374), (271, 808380), (324, 676145), (405, 540916), (499, 439020), (540, 405687), (542, 404190), (810, 270458), (813, 269460), (998, 219510), (1084, 202095), (1355, 161676), (1497, 146340), (1620, 135229), (1626, 134730), (1996, 109755), (2439, 89820), (2495, 87804), (2710, 80838), (2994, 73170), (3252, 67365), (4065, 53892), (4491, 48780), (4878, 44910), (4990, 43902), (5420, 40419), (5988, 36585), (7317, 29940), (7485, 29268), (8130, 26946), (8982, 24390), (9756, 22455), (9980, 21951), (12195, 17964), (13473, 16260), (14634, 14970)]