4387120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 11070720

約数和(自身を除く): 6683600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 61, 62, 80, 116, 122, 124, 145, 155, 232, 244, 248, 290, 305, 310, 464, 488, 496, 580, 610, 620, 899, 976, 1160, 1220, 1240, 1769, 1798, 1891, 2320, 2440, 2480, 3538, 3596, 3782, 4495, 4880, 7076, 7192, 7564, 8845, 8990, 9455, 14152, 14384, 15128, 17690, 17980, 18910, 28304, 30256, 35380, 35960, 37820, 54839, 70760, 71920, 75640, 109678, 141520, 151280, 219356, 274195, 438712, 548390, 877424, 1096780, 2193560, 4387120]

約数ペア:

[(1, 4387120), (2, 2193560), (4, 1096780), (5, 877424), (8, 548390), (10, 438712), (16, 274195), (20, 219356), (29, 151280), (31, 141520), (40, 109678), (58, 75640), (61, 71920), (62, 70760), (80, 54839), (116, 37820), (122, 35960), (124, 35380), (145, 30256), (155, 28304), (232, 18910), (244, 17980), (248, 17690), (290, 15128), (305, 14384), (310, 14152), (464, 9455), (488, 8990), (496, 8845), (580, 7564), (610, 7192), (620, 7076), (899, 4880), (976, 4495), (1160, 3782), (1220, 3596), (1240, 3538), (1769, 2480), (1798, 2440), (1891, 2320)]