669781760

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^2\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 108

約数和(自身を含む): 1648318392

約数和(自身を除く): 978536632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 283, 320, 344, 430, 566, 640, 688, 860, 1132, 1280, 1376, 1415, 1720, 1849, 2264, 2752, 2830, 3440, 3698, 4528, 5504, 5660, 6880, 7396, 9056, 9245, 11008, 11320, 12169, 13760, 14792, 18112, 18490, 22640, 24338, 27520, 29584, 36224, 36980, 45280, 48676, 55040, 59168, 60845, 72448, 73960, 90560, 97352, 118336, 121690, 147920, 181120, 194704, 236672, 243380, 295840, 362240, 389408, 473344, 486760, 523267, 591680, 778816, 973520, 1046534, 1183360, 1557632, 1947040, 2093068, 2366720, 2616335, 3115264, 3894080, 4186136, 5232670, 7788160, 8372272, 10465340, 15576320, 16744544, 20930680, 33489088, 41861360, 66978176, 83722720, 133956352, 167445440, 334890880, 669781760]

約数ペア:

[(1, 669781760), (2, 334890880), (4, 167445440), (5, 133956352), (8, 83722720), (10, 66978176), (16, 41861360), (20, 33489088), (32, 20930680), (40, 16744544), (43, 15576320), (64, 10465340), (80, 8372272), (86, 7788160), (128, 5232670), (160, 4186136), (172, 3894080), (215, 3115264), (256, 2616335), (283, 2366720), (320, 2093068), (344, 1947040), (430, 1557632), (566, 1183360), (640, 1046534), (688, 973520), (860, 778816), (1132, 591680), (1280, 523267), (1376, 486760), (1415, 473344), (1720, 389408), (1849, 362240), (2264, 295840), (2752, 243380), (2830, 236672), (3440, 194704), (3698, 181120), (4528, 147920), (5504, 121690), (5660, 118336), (6880, 97352), (7396, 90560), (9056, 73960), (9245, 72448), (11008, 60845), (11320, 59168), (12169, 55040), (13760, 48676), (14792, 45280), (18112, 36980), (18490, 36224), (22640, 29584), (24338, 27520)]