20161488375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:543

約数の個数: 192

約数和(自身を含む): 42641344512

約数和(自身を除く): 22479856137

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 71, 75, 105, 107, 125, 175, 213, 225, 315, 321, 337, 355, 375, 497, 525, 535, 639, 749, 875, 963, 1011, 1065, 1125, 1491, 1575, 1605, 1685, 1775, 2247, 2359, 2485, 2625, 2675, 3033, 3195, 3745, 4473, 4815, 5055, 5325, 6741, 7077, 7455, 7597, 7875, 8025, 8425, 8875, 11235, 11795, 12425, 13375, 15165, 15975, 18725, 21231, 22365, 22791, 23927, 24075, 25275, 26625, 33705, 35385, 36059, 37275, 37985, 40125, 42125, 53179, 56175, 58975, 62125, 68373, 71781, 75825, 79875, 93625, 106155, 108177, 111825, 113955, 119635, 120375, 126375, 159537, 167489, 168525, 176925, 180295, 186375, 189925, 215343, 252413, 265895, 280875, 294875, 324531, 341865, 358905, 379125, 478611, 502467, 530775, 540885, 559125, 569775, 598175, 757239, 797685, 837445, 842625, 884625, 901475, 949625, 1076715, 1262065, 1329475, 1507401, 1622655, 1709325, 1794525, 2271717, 2393055, 2512335, 2560189, 2653875, 2704425, 2848875, 2990875, 3786195, 3988425, 4187225, 4507375, 5383575, 6310325, 6647375, 7537005, 7680567, 8113275, 8546625, 8972625, 11358585, 11965275, 12561675, 12800945, 13522125, 17921323, 18930975, 19942125, 20936125, 23041701, 26917875, 31551625, 37685025, 38402835, 40566375, 53763969, 56792925, 59826375, 62808375, 64004725, 89606615, 94654875, 115208505, 161291907, 188425125, 192014175, 268819845, 283964625, 320023625, 448033075, 576042525, 806459535, 960070875, 1344099225, 2240165375, 2880212625, 4032297675, 6720496125, 20161488375]

約数ペア:

[(1, 20161488375), (3, 6720496125), (5, 4032297675), (7, 2880212625), (9, 2240165375), (15, 1344099225), (21, 960070875), (25, 806459535), (35, 576042525), (45, 448033075), (63, 320023625), (71, 283964625), (75, 268819845), (105, 192014175), (107, 188425125), (125, 161291907), (175, 115208505), (213, 94654875), (225, 89606615), (315, 64004725), (321, 62808375), (337, 59826375), (355, 56792925), (375, 53763969), (497, 40566375), (525, 38402835), (535, 37685025), (639, 31551625), (749, 26917875), (875, 23041701), (963, 20936125), (1011, 19942125), (1065, 18930975), (1125, 17921323), (1491, 13522125), (1575, 12800945), (1605, 12561675), (1685, 11965275), (1775, 11358585), (2247, 8972625), (2359, 8546625), (2485, 8113275), (2625, 7680567), (2675, 7537005), (3033, 6647375), (3195, 6310325), (3745, 5383575), (4473, 4507375), (4815, 4187225), (5055, 3988425), (5325, 3786195), (6741, 2990875), (7077, 2848875), (7455, 2704425), (7597, 2653875), (7875, 2560189), (8025, 2512335), (8425, 2393055), (8875, 2271717), (11235, 1794525), (11795, 1709325), (12425, 1622655), (13375, 1507401), (15165, 1329475), (15975, 1262065), (18725, 1076715), (21231, 949625), (22365, 901475), (22791, 884625), (23927, 842625), (24075, 837445), (25275, 797685), (26625, 757239), (33705, 598175), (35385, 569775), (36059, 559125), (37275, 540885), (37985, 530775), (40125, 502467), (42125, 478611), (53179, 379125), (56175, 358905), (58975, 341865), (62125, 324531), (68373, 294875), (71781, 280875), (75825, 265895), (79875, 252413), (93625, 215343), (106155, 189925), (108177, 186375), (111825, 180295), (113955, 176925), (119635, 168525), (120375, 167489), (126375, 159537)]