2020302585

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{83}}^2$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 4351152000

約数和(自身を除く): 2330849415

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 83, 95, 105, 133, 147, 171, 245, 249, 285, 315, 343, 399, 415, 441, 581, 665, 735, 747, 855, 931, 1029, 1197, 1245, 1577, 1715, 1743, 1995, 2205, 2793, 2905, 3087, 3735, 4067, 4655, 4731, 5145, 5229, 5985, 6517, 6889, 7885, 8379, 8715, 11039, 12201, 13965, 14193, 15435, 19551, 20335, 20667, 23655, 26145, 28469, 32585, 33117, 34445, 36603, 41895, 48223, 55195, 58653, 61005, 62001, 70965, 77273, 85407, 97755, 99351, 103335, 130891, 142345, 144669, 165585, 183015, 231819, 241115, 256221, 293265, 310005, 337561, 386365, 392673, 427035, 434007, 496755, 540911, 654455, 695457, 723345, 916237, 1012683, 1159095, 1178019, 1281105, 1622733, 1687805, 1963365, 2170035, 2362927, 2704555, 2748711, 3038049, 3477285, 4581185, 4868199, 5063415, 5890095, 6413659, 7088781, 8113665, 8246133, 11814635, 13743555, 15190245, 19240977, 21266343, 24340995, 32068295, 35443905, 41230665, 44895613, 57722931, 96204885, 106331715, 134686839, 224478065, 288614655, 404060517, 673434195, 2020302585]

約数ペア:

[(1, 2020302585), (3, 673434195), (5, 404060517), (7, 288614655), (9, 224478065), (15, 134686839), (19, 106331715), (21, 96204885), (35, 57722931), (45, 44895613), (49, 41230665), (57, 35443905), (63, 32068295), (83, 24340995), (95, 21266343), (105, 19240977), (133, 15190245), (147, 13743555), (171, 11814635), (245, 8246133), (249, 8113665), (285, 7088781), (315, 6413659), (343, 5890095), (399, 5063415), (415, 4868199), (441, 4581185), (581, 3477285), (665, 3038049), (735, 2748711), (747, 2704555), (855, 2362927), (931, 2170035), (1029, 1963365), (1197, 1687805), (1245, 1622733), (1577, 1281105), (1715, 1178019), (1743, 1159095), (1995, 1012683), (2205, 916237), (2793, 723345), (2905, 695457), (3087, 654455), (3735, 540911), (4067, 496755), (4655, 434007), (4731, 427035), (5145, 392673), (5229, 386365), (5985, 337561), (6517, 310005), (6889, 293265), (7885, 256221), (8379, 241115), (8715, 231819), (11039, 183015), (12201, 165585), (13965, 144669), (14193, 142345), (15435, 130891), (19551, 103335), (20335, 99351), (20667, 97755), (23655, 85407), (26145, 77273), (28469, 70965), (32585, 62001), (33117, 61005), (34445, 58653), (36603, 55195), (41895, 48223)]