289859920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:393

約数の個数: 160

約数和(自身を含む): 811376640

約数和(自身を除く): 521516720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 59, 62, 70, 80, 112, 118, 124, 140, 155, 217, 236, 248, 280, 283, 295, 310, 413, 434, 472, 496, 560, 566, 590, 620, 826, 868, 944, 1085, 1132, 1180, 1240, 1415, 1652, 1736, 1829, 1981, 2065, 2170, 2264, 2360, 2480, 2830, 3304, 3472, 3658, 3962, 4130, 4340, 4528, 4720, 5660, 6608, 7316, 7924, 8260, 8680, 8773, 9145, 9905, 11320, 12803, 14632, 15848, 16520, 16697, 17360, 17546, 18290, 19810, 22640, 25606, 29264, 31696, 33040, 33394, 35092, 36580, 39620, 43865, 51212, 61411, 64015, 66788, 70184, 73160, 79240, 83485, 87730, 102424, 116879, 122822, 128030, 133576, 140368, 146320, 158480, 166970, 175460, 204848, 233758, 245644, 256060, 267152, 307055, 333940, 350920, 467516, 491288, 512120, 517607, 584395, 614110, 667880, 701840, 935032, 982576, 1024240, 1035214, 1168790, 1228220, 1335760, 1870064, 2070428, 2337580, 2456440, 2588035, 3623249, 4140856, 4675160, 4912880, 5176070, 7246498, 8281712, 9350320, 10352140, 14492996, 18116245, 20704280, 28985992, 36232490, 41408560, 57971984, 72464980, 144929960, 289859920]

約数ペア:

[(1, 289859920), (2, 144929960), (4, 72464980), (5, 57971984), (7, 41408560), (8, 36232490), (10, 28985992), (14, 20704280), (16, 18116245), (20, 14492996), (28, 10352140), (31, 9350320), (35, 8281712), (40, 7246498), (56, 5176070), (59, 4912880), (62, 4675160), (70, 4140856), (80, 3623249), (112, 2588035), (118, 2456440), (124, 2337580), (140, 2070428), (155, 1870064), (217, 1335760), (236, 1228220), (248, 1168790), (280, 1035214), (283, 1024240), (295, 982576), (310, 935032), (413, 701840), (434, 667880), (472, 614110), (496, 584395), (560, 517607), (566, 512120), (590, 491288), (620, 467516), (826, 350920), (868, 333940), (944, 307055), (1085, 267152), (1132, 256060), (1180, 245644), (1240, 233758), (1415, 204848), (1652, 175460), (1736, 166970), (1829, 158480), (1981, 146320), (2065, 140368), (2170, 133576), (2264, 128030), (2360, 122822), (2480, 116879), (2830, 102424), (3304, 87730), (3472, 83485), (3658, 79240), (3962, 73160), (4130, 70184), (4340, 66788), (4528, 64015), (4720, 61411), (5660, 51212), (6608, 43865), (7316, 39620), (7924, 36580), (8260, 35092), (8680, 33394), (8773, 33040), (9145, 31696), (9905, 29264), (11320, 25606), (12803, 22640), (14632, 19810), (15848, 18290), (16520, 17546), (16697, 17360)]