1731285520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^2\times {\mathrm{131}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 4244942592

約数和(自身を除く): 2513657072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 131, 146, 155, 248, 262, 292, 310, 365, 496, 524, 584, 620, 655, 730, 1048, 1168, 1240, 1310, 1460, 2096, 2263, 2480, 2620, 2920, 4061, 4526, 5240, 5329, 5840, 8122, 9052, 9563, 10480, 10658, 11315, 16244, 18104, 19126, 20305, 21316, 22630, 26645, 32488, 36208, 38252, 40610, 42632, 45260, 47815, 53290, 64976, 76504, 81220, 85264, 90520, 95630, 106580, 153008, 162440, 165199, 181040, 191260, 213160, 296453, 324880, 330398, 382520, 426320, 592906, 660796, 698099, 765040, 825995, 1185812, 1321592, 1396198, 1482265, 1651990, 2371624, 2643184, 2792396, 2964530, 3303980, 3490495, 4743248, 5584792, 5929060, 6607960, 6980990, 11169584, 11858120, 13215920, 13961980, 21641069, 23716240, 27923960, 43282138, 55847920, 86564276, 108205345, 173128552, 216410690, 346257104, 432821380, 865642760, 1731285520]

約数ペア:

[(1, 1731285520), (2, 865642760), (4, 432821380), (5, 346257104), (8, 216410690), (10, 173128552), (16, 108205345), (20, 86564276), (31, 55847920), (40, 43282138), (62, 27923960), (73, 23716240), (80, 21641069), (124, 13961980), (131, 13215920), (146, 11858120), (155, 11169584), (248, 6980990), (262, 6607960), (292, 5929060), (310, 5584792), (365, 4743248), (496, 3490495), (524, 3303980), (584, 2964530), (620, 2792396), (655, 2643184), (730, 2371624), (1048, 1651990), (1168, 1482265), (1240, 1396198), (1310, 1321592), (1460, 1185812), (2096, 825995), (2263, 765040), (2480, 698099), (2620, 660796), (2920, 592906), (4061, 426320), (4526, 382520), (5240, 330398), (5329, 324880), (5840, 296453), (8122, 213160), (9052, 191260), (9563, 181040), (10480, 165199), (10658, 162440), (11315, 153008), (16244, 106580), (18104, 95630), (19126, 90520), (20305, 85264), (21316, 81220), (22630, 76504), (26645, 64976), (32488, 53290), (36208, 47815), (38252, 45260), (40610, 42632)]