28893240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:914

約数の個数: 128

約数和(自身を含む): 99532800

約数和(自身を除く): 70639560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 863, 930, 1080, 1116, 1240, 1395, 1674, 1726, 1860, 2232, 2589, 2790, 3348, 3452, 3720, 4185, 4315, 5178, 5580, 6696, 6904, 7767, 8370, 8630, 10356, 11160, 12945, 15534, 16740, 17260, 20712, 23301, 25890, 26753, 31068, 33480, 34520, 38835, 46602, 51780, 53506, 62136, 77670, 80259, 93204, 103560, 107012, 116505, 133765, 155340, 160518, 186408, 214024, 233010, 240777, 267530, 310680, 321036, 401295, 466020, 481554, 535060, 642072, 722331, 802590, 932040, 963108, 1070120, 1203885, 1444662, 1605180, 1926216, 2407770, 2889324, 3210360, 3611655, 4815540, 5778648, 7223310, 9631080, 14446620, 28893240]

約数ペア:

[(1, 28893240), (2, 14446620), (3, 9631080), (4, 7223310), (5, 5778648), (6, 4815540), (8, 3611655), (9, 3210360), (10, 2889324), (12, 2407770), (15, 1926216), (18, 1605180), (20, 1444662), (24, 1203885), (27, 1070120), (30, 963108), (31, 932040), (36, 802590), (40, 722331), (45, 642072), (54, 535060), (60, 481554), (62, 466020), (72, 401295), (90, 321036), (93, 310680), (108, 267530), (120, 240777), (124, 233010), (135, 214024), (155, 186408), (180, 160518), (186, 155340), (216, 133765), (248, 116505), (270, 107012), (279, 103560), (310, 93204), (360, 80259), (372, 77670), (465, 62136), (540, 53506), (558, 51780), (620, 46602), (744, 38835), (837, 34520), (863, 33480), (930, 31068), (1080, 26753), (1116, 25890), (1240, 23301), (1395, 20712), (1674, 17260), (1726, 16740), (1860, 15534), (2232, 12945), (2589, 11160), (2790, 10356), (3348, 8630), (3452, 8370), (3720, 7767), (4185, 6904), (4315, 6696), (5178, 5580)]