213987420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4261}}^1$

素因数の和:4313

約数の個数: 120

約数和(自身を含む): 693103488

約数和(自身を除く): 479116068

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, 4261, 5022, 5580, 8370, 8522, 10044, 12555, 12783, 16740, 17044, 21305, 25110, 25566, 38349, 42610, 50220, 51132, 63915, 76698, 85220, 115047, 127830, 132091, 153396, 191745, 230094, 255660, 264182, 345141, 383490, 396273, 460188, 528364, 575235, 660455, 690282, 766980, 792546, 1150470, 1188819, 1320910, 1380564, 1585092, 1725705, 1981365, 2300940, 2377638, 2641820, 3451410, 3566457, 3962730, 4755276, 5944095, 6902820, 7132914, 7925460, 10699371, 11888190, 14265828, 17832285, 21398742, 23776380, 35664570, 42797484, 53496855, 71329140, 106993710, 213987420]

約数ペア:

[(1, 213987420), (2, 106993710), (3, 71329140), (4, 53496855), (5, 42797484), (6, 35664570), (9, 23776380), (10, 21398742), (12, 17832285), (15, 14265828), (18, 11888190), (20, 10699371), (27, 7925460), (30, 7132914), (31, 6902820), (36, 5944095), (45, 4755276), (54, 3962730), (60, 3566457), (62, 3451410), (81, 2641820), (90, 2377638), (93, 2300940), (108, 1981365), (124, 1725705), (135, 1585092), (155, 1380564), (162, 1320910), (180, 1188819), (186, 1150470), (270, 792546), (279, 766980), (310, 690282), (324, 660455), (372, 575235), (405, 528364), (465, 460188), (540, 396273), (558, 383490), (620, 345141), (810, 264182), (837, 255660), (930, 230094), (1116, 191745), (1395, 153396), (1620, 132091), (1674, 127830), (1860, 115047), (2511, 85220), (2790, 76698), (3348, 63915), (4185, 51132), (4261, 50220), (5022, 42610), (5580, 38349), (8370, 25566), (8522, 25110), (10044, 21305), (12555, 17044), (12783, 16740)]