978759280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{439}}^1$

素因数の和:543

約数の個数: 120

約数和(自身を含む): 2438013600

約数和(自身を除く): 1459254320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 439, 464, 496, 580, 620, 878, 899, 961, 1160, 1240, 1756, 1798, 1922, 2195, 2320, 2480, 3512, 3596, 3844, 4390, 4495, 4805, 7024, 7192, 7688, 8780, 8990, 9610, 12731, 13609, 14384, 15376, 17560, 17980, 19220, 25462, 27218, 27869, 35120, 35960, 38440, 50924, 54436, 55738, 63655, 68045, 71920, 76880, 101848, 108872, 111476, 127310, 136090, 139345, 203696, 217744, 222952, 254620, 272180, 278690, 394661, 421879, 445904, 509240, 544360, 557380, 789322, 843758, 1018480, 1088720, 1114760, 1578644, 1687516, 1973305, 2109395, 2229520, 3157288, 3375032, 3946610, 4218790, 6314576, 6750064, 7893220, 8437580, 12234491, 15786440, 16875160, 24468982, 31572880, 33750320, 48937964, 61172455, 97875928, 122344910, 195751856, 244689820, 489379640, 978759280]

約数ペア:

[(1, 978759280), (2, 489379640), (4, 244689820), (5, 195751856), (8, 122344910), (10, 97875928), (16, 61172455), (20, 48937964), (29, 33750320), (31, 31572880), (40, 24468982), (58, 16875160), (62, 15786440), (80, 12234491), (116, 8437580), (124, 7893220), (145, 6750064), (155, 6314576), (232, 4218790), (248, 3946610), (290, 3375032), (310, 3157288), (439, 2229520), (464, 2109395), (496, 1973305), (580, 1687516), (620, 1578644), (878, 1114760), (899, 1088720), (961, 1018480), (1160, 843758), (1240, 789322), (1756, 557380), (1798, 544360), (1922, 509240), (2195, 445904), (2320, 421879), (2480, 394661), (3512, 278690), (3596, 272180), (3844, 254620), (4390, 222952), (4495, 217744), (4805, 203696), (7024, 139345), (7192, 136090), (7688, 127310), (8780, 111476), (8990, 108872), (9610, 101848), (12731, 76880), (13609, 71920), (14384, 68045), (15376, 63655), (17560, 55738), (17980, 54436), (19220, 50924), (25462, 38440), (27218, 35960), (27869, 35120)]