680333440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:750

約数の個数: 128

約数和(自身を含む): 1713208320

約数和(自身を除く): 1032874880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 128, 155, 160, 212, 248, 265, 310, 320, 424, 496, 530, 620, 640, 647, 848, 992, 1060, 1240, 1294, 1643, 1696, 1984, 2120, 2480, 2588, 3235, 3286, 3392, 3968, 4240, 4960, 5176, 6470, 6572, 6784, 8215, 8480, 9920, 10352, 12940, 13144, 16430, 16960, 19840, 20057, 20704, 25880, 26288, 32860, 33920, 34291, 40114, 41408, 51760, 52576, 65720, 68582, 80228, 82816, 100285, 103520, 105152, 131440, 137164, 160456, 171455, 200570, 207040, 210304, 262880, 274328, 320912, 342910, 401140, 414080, 525760, 548656, 641824, 685820, 802280, 1051520, 1063021, 1097312, 1283648, 1371640, 1604560, 2126042, 2194624, 2567296, 2743280, 3209120, 4252084, 4389248, 5315105, 5486560, 6418240, 8504168, 10630210, 10973120, 12836480, 17008336, 21260420, 21946240, 34016672, 42520840, 68033344, 85041680, 136066688, 170083360, 340166720, 680333440]

約数ペア:

[(1, 680333440), (2, 340166720), (4, 170083360), (5, 136066688), (8, 85041680), (10, 68033344), (16, 42520840), (20, 34016672), (31, 21946240), (32, 21260420), (40, 17008336), (53, 12836480), (62, 10973120), (64, 10630210), (80, 8504168), (106, 6418240), (124, 5486560), (128, 5315105), (155, 4389248), (160, 4252084), (212, 3209120), (248, 2743280), (265, 2567296), (310, 2194624), (320, 2126042), (424, 1604560), (496, 1371640), (530, 1283648), (620, 1097312), (640, 1063021), (647, 1051520), (848, 802280), (992, 685820), (1060, 641824), (1240, 548656), (1294, 525760), (1643, 414080), (1696, 401140), (1984, 342910), (2120, 320912), (2480, 274328), (2588, 262880), (3235, 210304), (3286, 207040), (3392, 200570), (3968, 171455), (4240, 160456), (4960, 137164), (5176, 131440), (6470, 105152), (6572, 103520), (6784, 100285), (8215, 82816), (8480, 80228), (9920, 68582), (10352, 65720), (12940, 52576), (13144, 51760), (16430, 41408), (16960, 40114), (19840, 34291), (20057, 33920), (20704, 32860), (25880, 26288)]