203247920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 513918000

約数和(自身を除く): 310670080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 149, 170, 236, 272, 289, 295, 298, 340, 472, 578, 590, 596, 680, 745, 944, 1003, 1156, 1180, 1192, 1360, 1445, 1490, 2006, 2312, 2360, 2384, 2533, 2890, 2980, 4012, 4624, 4720, 5015, 5066, 5780, 5960, 8024, 8791, 10030, 10132, 11560, 11920, 12665, 16048, 17051, 17582, 20060, 20264, 23120, 25330, 34102, 35164, 40120, 40528, 43061, 43955, 50660, 68204, 70328, 80240, 85255, 86122, 87910, 101320, 136408, 140656, 149447, 170510, 172244, 175820, 202640, 215305, 272816, 298894, 341020, 344488, 351640, 430610, 597788, 682040, 688976, 703280, 747235, 861220, 1195576, 1364080, 1494470, 1722440, 2391152, 2540599, 2988940, 3444880, 5081198, 5977880, 10162396, 11955760, 12702995, 20324792, 25405990, 40649584, 50811980, 101623960, 203247920]

約数ペア:

[(1, 203247920), (2, 101623960), (4, 50811980), (5, 40649584), (8, 25405990), (10, 20324792), (16, 12702995), (17, 11955760), (20, 10162396), (34, 5977880), (40, 5081198), (59, 3444880), (68, 2988940), (80, 2540599), (85, 2391152), (118, 1722440), (136, 1494470), (149, 1364080), (170, 1195576), (236, 861220), (272, 747235), (289, 703280), (295, 688976), (298, 682040), (340, 597788), (472, 430610), (578, 351640), (590, 344488), (596, 341020), (680, 298894), (745, 272816), (944, 215305), (1003, 202640), (1156, 175820), (1180, 172244), (1192, 170510), (1360, 149447), (1445, 140656), (1490, 136408), (2006, 101320), (2312, 87910), (2360, 86122), (2384, 85255), (2533, 80240), (2890, 70328), (2980, 68204), (4012, 50660), (4624, 43955), (4720, 43061), (5015, 40528), (5066, 40120), (5780, 35164), (5960, 34102), (8024, 25330), (8791, 23120), (10030, 20264), (10132, 20060), (11560, 17582), (11920, 17051), (12665, 16048)]