28759860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:495

約数の個数: 120

約数和(自身を含む): 92634696

約数和(自身を除く): 63874836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 81, 82, 90, 108, 123, 135, 162, 164, 180, 205, 246, 270, 324, 369, 405, 410, 433, 492, 540, 615, 738, 810, 820, 866, 1107, 1230, 1299, 1476, 1620, 1732, 1845, 2165, 2214, 2460, 2598, 3321, 3690, 3897, 4330, 4428, 5196, 5535, 6495, 6642, 7380, 7794, 8660, 11070, 11691, 12990, 13284, 15588, 16605, 17753, 19485, 22140, 23382, 25980, 33210, 35073, 35506, 38970, 46764, 53259, 58455, 66420, 70146, 71012, 77940, 88765, 106518, 116910, 140292, 159777, 175365, 177530, 213036, 233820, 266295, 319554, 350730, 355060, 479331, 532590, 639108, 701460, 798885, 958662, 1065180, 1437993, 1597770, 1917324, 2396655, 2875986, 3195540, 4793310, 5751972, 7189965, 9586620, 14379930, 28759860]

約数ペア:

[(1, 28759860), (2, 14379930), (3, 9586620), (4, 7189965), (5, 5751972), (6, 4793310), (9, 3195540), (10, 2875986), (12, 2396655), (15, 1917324), (18, 1597770), (20, 1437993), (27, 1065180), (30, 958662), (36, 798885), (41, 701460), (45, 639108), (54, 532590), (60, 479331), (81, 355060), (82, 350730), (90, 319554), (108, 266295), (123, 233820), (135, 213036), (162, 177530), (164, 175365), (180, 159777), (205, 140292), (246, 116910), (270, 106518), (324, 88765), (369, 77940), (405, 71012), (410, 70146), (433, 66420), (492, 58455), (540, 53259), (615, 46764), (738, 38970), (810, 35506), (820, 35073), (866, 33210), (1107, 25980), (1230, 23382), (1299, 22140), (1476, 19485), (1620, 17753), (1732, 16605), (1845, 15588), (2165, 13284), (2214, 12990), (2460, 11691), (2598, 11070), (3321, 8660), (3690, 7794), (3897, 7380), (4330, 6642), (4428, 6495), (5196, 5535)]