215682040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 585999360

約数和(自身を除く): 370317320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 107, 115, 140, 161, 184, 214, 230, 280, 313, 322, 428, 460, 535, 626, 644, 749, 805, 856, 920, 1070, 1252, 1288, 1498, 1565, 1610, 2140, 2191, 2461, 2504, 2996, 3130, 3220, 3745, 4280, 4382, 4922, 5992, 6260, 6440, 7199, 7490, 8764, 9844, 10955, 12305, 12520, 14398, 14980, 17227, 17528, 19688, 21910, 24610, 28796, 29960, 33491, 34454, 35995, 43820, 49220, 50393, 57592, 66982, 68908, 71990, 86135, 87640, 98440, 100786, 133964, 137816, 143980, 167455, 172270, 201572, 234437, 251965, 267928, 287960, 334910, 344540, 403144, 468874, 503930, 669820, 689080, 770293, 937748, 1007860, 1172185, 1339640, 1540586, 1875496, 2015720, 2344370, 3081172, 3851465, 4688740, 5392051, 6162344, 7702930, 9377480, 10784102, 15405860, 21568204, 26960255, 30811720, 43136408, 53920510, 107841020, 215682040]

約数ペア:

[(1, 215682040), (2, 107841020), (4, 53920510), (5, 43136408), (7, 30811720), (8, 26960255), (10, 21568204), (14, 15405860), (20, 10784102), (23, 9377480), (28, 7702930), (35, 6162344), (40, 5392051), (46, 4688740), (56, 3851465), (70, 3081172), (92, 2344370), (107, 2015720), (115, 1875496), (140, 1540586), (161, 1339640), (184, 1172185), (214, 1007860), (230, 937748), (280, 770293), (313, 689080), (322, 669820), (428, 503930), (460, 468874), (535, 403144), (626, 344540), (644, 334910), (749, 287960), (805, 267928), (856, 251965), (920, 234437), (1070, 201572), (1252, 172270), (1288, 167455), (1498, 143980), (1565, 137816), (1610, 133964), (2140, 100786), (2191, 98440), (2461, 87640), (2504, 86135), (2996, 71990), (3130, 68908), (3220, 66982), (3745, 57592), (4280, 50393), (4382, 49220), (4922, 43820), (5992, 35995), (6260, 34454), (6440, 33491), (7199, 29960), (7490, 28796), (8764, 24610), (9844, 21910), (10955, 19688), (12305, 17528), (12520, 17227), (14398, 14980)]