16220520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:696

約数の個数: 128

約数和(自身を含む): 56505600

約数和(自身を除く): 40285080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 653, 690, 828, 920, 1035, 1080, 1242, 1306, 1380, 1656, 1959, 2070, 2484, 2612, 2760, 3105, 3265, 3918, 4140, 4968, 5224, 5877, 6210, 6530, 7836, 8280, 9795, 11754, 12420, 13060, 15019, 15672, 17631, 19590, 23508, 24840, 26120, 29385, 30038, 35262, 39180, 45057, 47016, 58770, 60076, 70524, 75095, 78360, 88155, 90114, 117540, 120152, 135171, 141048, 150190, 176310, 180228, 225285, 235080, 270342, 300380, 352620, 360456, 405513, 450570, 540684, 600760, 675855, 705240, 811026, 901140, 1081368, 1351710, 1622052, 1802280, 2027565, 2703420, 3244104, 4055130, 5406840, 8110260, 16220520]

約数ペア:

[(1, 16220520), (2, 8110260), (3, 5406840), (4, 4055130), (5, 3244104), (6, 2703420), (8, 2027565), (9, 1802280), (10, 1622052), (12, 1351710), (15, 1081368), (18, 901140), (20, 811026), (23, 705240), (24, 675855), (27, 600760), (30, 540684), (36, 450570), (40, 405513), (45, 360456), (46, 352620), (54, 300380), (60, 270342), (69, 235080), (72, 225285), (90, 180228), (92, 176310), (108, 150190), (115, 141048), (120, 135171), (135, 120152), (138, 117540), (180, 90114), (184, 88155), (207, 78360), (216, 75095), (230, 70524), (270, 60076), (276, 58770), (345, 47016), (360, 45057), (414, 39180), (460, 35262), (540, 30038), (552, 29385), (621, 26120), (653, 24840), (690, 23508), (828, 19590), (920, 17631), (1035, 15672), (1080, 15019), (1242, 13060), (1306, 12420), (1380, 11754), (1656, 9795), (1959, 8280), (2070, 7836), (2484, 6530), (2612, 6210), (2760, 5877), (3105, 5224), (3265, 4968), (3918, 4140)]