205733640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{953}}^1$

素因数の和:1231

約数の個数: 128

約数和(自身を含む): 708860160

約数和(自身を除く): 503126520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 257, 280, 420, 514, 771, 840, 953, 1028, 1285, 1542, 1799, 1906, 2056, 2570, 2859, 3084, 3598, 3812, 3855, 4765, 5140, 5397, 5718, 6168, 6671, 7196, 7624, 7710, 8995, 9530, 10280, 10794, 11436, 13342, 14295, 14392, 15420, 17990, 19060, 20013, 21588, 22872, 26684, 26985, 28590, 30840, 33355, 35980, 38120, 40026, 43176, 53368, 53970, 57180, 66710, 71960, 80052, 100065, 107940, 114360, 133420, 160104, 200130, 215880, 244921, 266840, 400260, 489842, 734763, 800520, 979684, 1224605, 1469526, 1714447, 1959368, 2449210, 2939052, 3428894, 3673815, 4898420, 5143341, 5878104, 6857788, 7347630, 8572235, 9796840, 10286682, 13715576, 14695260, 17144470, 20573364, 25716705, 29390520, 34288940, 41146728, 51433410, 68577880, 102866820, 205733640]

約数ペア:

[(1, 205733640), (2, 102866820), (3, 68577880), (4, 51433410), (5, 41146728), (6, 34288940), (7, 29390520), (8, 25716705), (10, 20573364), (12, 17144470), (14, 14695260), (15, 13715576), (20, 10286682), (21, 9796840), (24, 8572235), (28, 7347630), (30, 6857788), (35, 5878104), (40, 5143341), (42, 4898420), (56, 3673815), (60, 3428894), (70, 2939052), (84, 2449210), (105, 1959368), (120, 1714447), (140, 1469526), (168, 1224605), (210, 979684), (257, 800520), (280, 734763), (420, 489842), (514, 400260), (771, 266840), (840, 244921), (953, 215880), (1028, 200130), (1285, 160104), (1542, 133420), (1799, 114360), (1906, 107940), (2056, 100065), (2570, 80052), (2859, 71960), (3084, 66710), (3598, 57180), (3812, 53970), (3855, 53368), (4765, 43176), (5140, 40026), (5397, 38120), (5718, 35980), (6168, 33355), (6671, 30840), (7196, 28590), (7624, 26985), (7710, 26684), (8995, 22872), (9530, 21588), (10280, 20013), (10794, 19060), (11436, 17990), (13342, 15420), (14295, 14392)]