20893359040

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{1439}}^1$

素因数の和:1647

約数の個数: 168

約数和(自身を含む): 53224663680

約数和(自身を除く): 32331304640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 157, 160, 170, 272, 289, 314, 320, 340, 544, 578, 628, 680, 785, 1088, 1156, 1256, 1360, 1439, 1445, 1570, 2312, 2512, 2669, 2720, 2878, 2890, 3140, 4624, 5024, 5338, 5440, 5756, 5780, 6280, 7195, 9248, 10048, 10676, 11512, 11560, 12560, 13345, 14390, 18496, 21352, 23024, 23120, 24463, 25120, 26690, 28780, 42704, 45373, 46048, 46240, 48926, 50240, 53380, 57560, 85408, 90746, 92096, 92480, 97852, 106760, 115120, 122315, 170816, 181492, 195704, 213520, 225923, 226865, 230240, 244630, 362984, 391408, 415871, 427040, 451846, 453730, 460480, 489260, 725968, 782816, 831742, 854080, 903692, 907460, 978520, 1129615, 1451936, 1565632, 1663484, 1807384, 1814920, 1957040, 2079355, 2259230, 2903872, 3326968, 3614768, 3629840, 3840691, 3914080, 4158710, 4518460, 6653936, 7229536, 7259680, 7681382, 7828160, 8317420, 9036920, 13307872, 14459072, 14519360, 15362764, 16634840, 18073840, 19203455, 26615744, 30725528, 33269680, 36147680, 38406910, 61451056, 65291747, 66539360, 72295360, 76813820, 122902112, 130583494, 133078720, 153627640, 245804224, 261166988, 307255280, 326458735, 522333976, 614510560, 652917470, 1044667952, 1229021120, 1305834940, 2089335904, 2611669880, 4178671808, 5223339760, 10446679520, 20893359040]

約数ペア:

[(1, 20893359040), (2, 10446679520), (4, 5223339760), (5, 4178671808), (8, 2611669880), (10, 2089335904), (16, 1305834940), (17, 1229021120), (20, 1044667952), (32, 652917470), (34, 614510560), (40, 522333976), (64, 326458735), (68, 307255280), (80, 261166988), (85, 245804224), (136, 153627640), (157, 133078720), (160, 130583494), (170, 122902112), (272, 76813820), (289, 72295360), (314, 66539360), (320, 65291747), (340, 61451056), (544, 38406910), (578, 36147680), (628, 33269680), (680, 30725528), (785, 26615744), (1088, 19203455), (1156, 18073840), (1256, 16634840), (1360, 15362764), (1439, 14519360), (1445, 14459072), (1570, 13307872), (2312, 9036920), (2512, 8317420), (2669, 7828160), (2720, 7681382), (2878, 7259680), (2890, 7229536), (3140, 6653936), (4624, 4518460), (5024, 4158710), (5338, 3914080), (5440, 3840691), (5756, 3629840), (5780, 3614768), (6280, 3326968), (7195, 2903872), (9248, 2259230), (10048, 2079355), (10676, 1957040), (11512, 1814920), (11560, 1807384), (12560, 1663484), (13345, 1565632), (14390, 1451936), (18496, 1129615), (21352, 978520), (23024, 907460), (23120, 903692), (24463, 854080), (25120, 831742), (26690, 782816), (28780, 725968), (42704, 489260), (45373, 460480), (46048, 453730), (46240, 451846), (48926, 427040), (50240, 415871), (53380, 391408), (57560, 362984), (85408, 244630), (90746, 230240), (92096, 226865), (92480, 225923), (97852, 213520), (106760, 195704), (115120, 181492), (122315, 170816)]