212380380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4229}}^1$

素因数の和:4281

約数の個数: 120

約数和(自身を含む): 687899520

約数和(自身を除く): 475519140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 4185, 4229, 5022, 5580, 8370, 8458, 10044, 12555, 12687, 16740, 16916, 21145, 25110, 25374, 38061, 42290, 50220, 50748, 63435, 76122, 84580, 114183, 126870, 131099, 152244, 190305, 228366, 253740, 262198, 342549, 380610, 393297, 456732, 524396, 570915, 655495, 685098, 761220, 786594, 1141830, 1179891, 1310990, 1370196, 1573188, 1712745, 1966485, 2283660, 2359782, 2621980, 3425490, 3539673, 3932970, 4719564, 5899455, 6850980, 7079346, 7865940, 10619019, 11798910, 14158692, 17698365, 21238038, 23597820, 35396730, 42476076, 53095095, 70793460, 106190190, 212380380]

約数ペア:

[(1, 212380380), (2, 106190190), (3, 70793460), (4, 53095095), (5, 42476076), (6, 35396730), (9, 23597820), (10, 21238038), (12, 17698365), (15, 14158692), (18, 11798910), (20, 10619019), (27, 7865940), (30, 7079346), (31, 6850980), (36, 5899455), (45, 4719564), (54, 3932970), (60, 3539673), (62, 3425490), (81, 2621980), (90, 2359782), (93, 2283660), (108, 1966485), (124, 1712745), (135, 1573188), (155, 1370196), (162, 1310990), (180, 1179891), (186, 1141830), (270, 786594), (279, 761220), (310, 685098), (324, 655495), (372, 570915), (405, 524396), (465, 456732), (540, 393297), (558, 380610), (620, 342549), (810, 262198), (837, 253740), (930, 228366), (1116, 190305), (1395, 152244), (1620, 131099), (1674, 126870), (1860, 114183), (2511, 84580), (2790, 76122), (3348, 63435), (4185, 50748), (4229, 50220), (5022, 42290), (5580, 38061), (8370, 25374), (8458, 25110), (10044, 21145), (12555, 16916), (12687, 16740)]