12212887140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{204983}}^1$

素因数の和:205329

約数の個数: 72

約数和(自身を含む): 37157859648

約数和(自身を除く): 24944972508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3972, 4965, 5958, 6620, 9930, 11916, 14895, 19860, 29790, 59580, 204983, 409966, 614949, 819932, 1024915, 1229898, 1844847, 2049830, 2459796, 3074745, 3689694, 4099660, 6149490, 7379388, 9224235, 12298980, 18448470, 36896940, 67849373, 135698746, 203548119, 271397492, 339246865, 407096238, 610644357, 678493730, 814192476, 1017740595, 1221288714, 1356987460, 2035481190, 2442577428, 3053221785, 4070962380, 6106443570, 12212887140]

約数ペア:

[(1, 12212887140), (2, 6106443570), (3, 4070962380), (4, 3053221785), (5, 2442577428), (6, 2035481190), (9, 1356987460), (10, 1221288714), (12, 1017740595), (15, 814192476), (18, 678493730), (20, 610644357), (30, 407096238), (36, 339246865), (45, 271397492), (60, 203548119), (90, 135698746), (180, 67849373), (331, 36896940), (662, 18448470), (993, 12298980), (1324, 9224235), (1655, 7379388), (1986, 6149490), (2979, 4099660), (3310, 3689694), (3972, 3074745), (4965, 2459796), (5958, 2049830), (6620, 1844847), (9930, 1229898), (11916, 1024915), (14895, 819932), (19860, 614949), (29790, 409966), (59580, 204983)]