72976640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 196027776

約数和(自身を除く): 123051136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 73, 80, 88, 110, 128, 142, 146, 160, 176, 220, 256, 284, 292, 320, 352, 355, 365, 440, 568, 584, 640, 704, 710, 730, 781, 803, 880, 1136, 1168, 1280, 1408, 1420, 1460, 1562, 1606, 1760, 2272, 2336, 2816, 2840, 2920, 3124, 3212, 3520, 3905, 4015, 4544, 4672, 5183, 5680, 5840, 6248, 6424, 7040, 7810, 8030, 9088, 9344, 10366, 11360, 11680, 12496, 12848, 14080, 15620, 16060, 18176, 18688, 20732, 22720, 23360, 24992, 25696, 25915, 31240, 32120, 41464, 45440, 46720, 49984, 51392, 51830, 57013, 62480, 64240, 82928, 90880, 93440, 99968, 102784, 103660, 114026, 124960, 128480, 165856, 199936, 205568, 207320, 228052, 249920, 256960, 285065, 331712, 414640, 456104, 499840, 513920, 570130, 663424, 829280, 912208, 999680, 1027840, 1140260, 1326848, 1658560, 1824416, 2280520, 3317120, 3648832, 4561040, 6634240, 7297664, 9122080, 14595328, 18244160, 36488320, 72976640]

約数ペア:

[(1, 72976640), (2, 36488320), (4, 18244160), (5, 14595328), (8, 9122080), (10, 7297664), (11, 6634240), (16, 4561040), (20, 3648832), (22, 3317120), (32, 2280520), (40, 1824416), (44, 1658560), (55, 1326848), (64, 1140260), (71, 1027840), (73, 999680), (80, 912208), (88, 829280), (110, 663424), (128, 570130), (142, 513920), (146, 499840), (160, 456104), (176, 414640), (220, 331712), (256, 285065), (284, 256960), (292, 249920), (320, 228052), (352, 207320), (355, 205568), (365, 199936), (440, 165856), (568, 128480), (584, 124960), (640, 114026), (704, 103660), (710, 102784), (730, 99968), (781, 93440), (803, 90880), (880, 82928), (1136, 64240), (1168, 62480), (1280, 57013), (1408, 51830), (1420, 51392), (1460, 49984), (1562, 46720), (1606, 45440), (1760, 41464), (2272, 32120), (2336, 31240), (2816, 25915), (2840, 25696), (2920, 24992), (3124, 23360), (3212, 22720), (3520, 20732), (3905, 18688), (4015, 18176), (4544, 16060), (4672, 15620), (5183, 14080), (5680, 12848), (5840, 12496), (6248, 11680), (6424, 11360), (7040, 10366), (7810, 9344), (8030, 9088)]