491320860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{8521}}^1$

素因数の和:8595

約数の個数: 72

約数和(自身を含む): 1421674128

約数和(自身を除く): 930353268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 961, 1860, 1922, 2883, 3844, 4805, 5766, 8521, 9610, 11532, 14415, 17042, 19220, 25563, 28830, 34084, 42605, 51126, 57660, 85210, 102252, 127815, 170420, 255630, 264151, 511260, 528302, 792453, 1056604, 1320755, 1584906, 2641510, 3169812, 3962265, 5283020, 7924530, 8188681, 15849060, 16377362, 24566043, 32754724, 40943405, 49132086, 81886810, 98264172, 122830215, 163773620, 245660430, 491320860]

約数ペア:

[(1, 491320860), (2, 245660430), (3, 163773620), (4, 122830215), (5, 98264172), (6, 81886810), (10, 49132086), (12, 40943405), (15, 32754724), (20, 24566043), (30, 16377362), (31, 15849060), (60, 8188681), (62, 7924530), (93, 5283020), (124, 3962265), (155, 3169812), (186, 2641510), (310, 1584906), (372, 1320755), (465, 1056604), (620, 792453), (930, 528302), (961, 511260), (1860, 264151), (1922, 255630), (2883, 170420), (3844, 127815), (4805, 102252), (5766, 85210), (8521, 57660), (9610, 51126), (11532, 42605), (14415, 34084), (17042, 28830), (19220, 25563)]