40227180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 137437440

約数和(自身を除く): 97210260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 71, 76, 84, 95, 105, 114, 133, 140, 142, 190, 210, 213, 228, 266, 284, 285, 355, 380, 399, 420, 426, 497, 532, 570, 665, 710, 798, 852, 994, 1065, 1140, 1330, 1349, 1420, 1491, 1596, 1988, 1995, 2130, 2485, 2660, 2698, 2982, 3990, 4047, 4260, 4970, 5041, 5396, 5964, 6745, 7455, 7980, 8094, 9443, 9940, 10082, 13490, 14910, 15123, 16188, 18886, 20164, 20235, 25205, 26980, 28329, 29820, 30246, 35287, 37772, 40470, 47215, 50410, 56658, 60492, 70574, 75615, 80940, 94430, 95779, 100820, 105861, 113316, 141148, 141645, 151230, 176435, 188860, 191558, 211722, 283290, 287337, 302460, 352870, 383116, 423444, 478895, 529305, 566580, 574674, 670453, 705740, 957790, 1058610, 1149348, 1340906, 1436685, 1915580, 2011359, 2117220, 2681812, 2873370, 3352265, 4022718, 5746740, 6704530, 8045436, 10056795, 13409060, 20113590, 40227180]

約数ペア:

[(1, 40227180), (2, 20113590), (3, 13409060), (4, 10056795), (5, 8045436), (6, 6704530), (7, 5746740), (10, 4022718), (12, 3352265), (14, 2873370), (15, 2681812), (19, 2117220), (20, 2011359), (21, 1915580), (28, 1436685), (30, 1340906), (35, 1149348), (38, 1058610), (42, 957790), (57, 705740), (60, 670453), (70, 574674), (71, 566580), (76, 529305), (84, 478895), (95, 423444), (105, 383116), (114, 352870), (133, 302460), (140, 287337), (142, 283290), (190, 211722), (210, 191558), (213, 188860), (228, 176435), (266, 151230), (284, 141645), (285, 141148), (355, 113316), (380, 105861), (399, 100820), (420, 95779), (426, 94430), (497, 80940), (532, 75615), (570, 70574), (665, 60492), (710, 56658), (798, 50410), (852, 47215), (994, 40470), (1065, 37772), (1140, 35287), (1330, 30246), (1349, 29820), (1420, 28329), (1491, 26980), (1596, 25205), (1988, 20235), (1995, 20164), (2130, 18886), (2485, 16188), (2660, 15123), (2698, 14910), (2982, 13490), (3990, 10082), (4047, 9940), (4260, 9443), (4970, 8094), (5041, 7980), (5396, 7455), (5964, 6745)]