307875720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 947376000

約数和(自身を除く): 639500280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 149, 201, 257, 268, 298, 335, 402, 447, 514, 536, 596, 670, 745, 771, 804, 894, 1005, 1028, 1192, 1285, 1340, 1490, 1542, 1608, 1788, 2010, 2056, 2235, 2570, 2680, 2980, 3084, 3576, 3855, 4020, 4470, 5140, 5960, 6168, 7710, 8040, 8940, 9983, 10280, 15420, 17219, 17880, 19966, 29949, 30840, 34438, 38293, 39932, 49915, 51657, 59898, 68876, 76586, 79864, 86095, 99830, 103314, 114879, 119796, 137752, 149745, 153172, 172190, 191465, 199660, 206628, 229758, 239592, 258285, 299490, 306344, 344380, 382930, 399320, 413256, 459516, 516570, 574395, 598980, 688760, 765860, 919032, 1033140, 1148790, 1197960, 1531720, 2066280, 2297580, 2565631, 4595160, 5131262, 7696893, 10262524, 12828155, 15393786, 20525048, 25656310, 30787572, 38484465, 51312620, 61575144, 76968930, 102625240, 153937860, 307875720]

約数ペア:

[(1, 307875720), (2, 153937860), (3, 102625240), (4, 76968930), (5, 61575144), (6, 51312620), (8, 38484465), (10, 30787572), (12, 25656310), (15, 20525048), (20, 15393786), (24, 12828155), (30, 10262524), (40, 7696893), (60, 5131262), (67, 4595160), (120, 2565631), (134, 2297580), (149, 2066280), (201, 1531720), (257, 1197960), (268, 1148790), (298, 1033140), (335, 919032), (402, 765860), (447, 688760), (514, 598980), (536, 574395), (596, 516570), (670, 459516), (745, 413256), (771, 399320), (804, 382930), (894, 344380), (1005, 306344), (1028, 299490), (1192, 258285), (1285, 239592), (1340, 229758), (1490, 206628), (1542, 199660), (1608, 191465), (1788, 172190), (2010, 153172), (2056, 149745), (2235, 137752), (2570, 119796), (2680, 114879), (2980, 103314), (3084, 99830), (3576, 86095), (3855, 79864), (4020, 76586), (4470, 68876), (5140, 59898), (5960, 51657), (6168, 49915), (7710, 39932), (8040, 38293), (8940, 34438), (9983, 30840), (10280, 29949), (15420, 19966), (17219, 17880)]