123055120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 311051520

約数和(自身を除く): 187996400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 59, 62, 80, 116, 118, 124, 145, 155, 232, 236, 248, 290, 295, 310, 464, 472, 496, 580, 590, 620, 841, 899, 944, 1160, 1180, 1240, 1682, 1711, 1798, 1829, 2320, 2360, 2480, 3364, 3422, 3596, 3658, 4205, 4495, 4720, 6728, 6844, 7192, 7316, 8410, 8555, 8990, 9145, 13456, 13688, 14384, 14632, 16820, 17110, 17980, 18290, 26071, 27376, 29264, 33640, 34220, 35960, 36580, 49619, 52142, 53041, 67280, 68440, 71920, 73160, 99238, 104284, 106082, 130355, 136880, 146320, 198476, 208568, 212164, 248095, 260710, 265205, 396952, 417136, 424328, 496190, 521420, 530410, 793904, 848656, 992380, 1042840, 1060820, 1538189, 1984760, 2085680, 2121640, 3076378, 3969520, 4243280, 6152756, 7690945, 12305512, 15381890, 24611024, 30763780, 61527560, 123055120]

約数ペア:

[(1, 123055120), (2, 61527560), (4, 30763780), (5, 24611024), (8, 15381890), (10, 12305512), (16, 7690945), (20, 6152756), (29, 4243280), (31, 3969520), (40, 3076378), (58, 2121640), (59, 2085680), (62, 1984760), (80, 1538189), (116, 1060820), (118, 1042840), (124, 992380), (145, 848656), (155, 793904), (232, 530410), (236, 521420), (248, 496190), (290, 424328), (295, 417136), (310, 396952), (464, 265205), (472, 260710), (496, 248095), (580, 212164), (590, 208568), (620, 198476), (841, 146320), (899, 136880), (944, 130355), (1160, 106082), (1180, 104284), (1240, 99238), (1682, 73160), (1711, 71920), (1798, 68440), (1829, 67280), (2320, 53041), (2360, 52142), (2480, 49619), (3364, 36580), (3422, 35960), (3596, 34220), (3658, 33640), (4205, 29264), (4495, 27376), (4720, 26071), (6728, 18290), (6844, 17980), (7192, 17110), (7316, 16820), (8410, 14632), (8555, 14384), (8990, 13688), (9145, 13456)]