28243080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 99316800

約数和(自身を除く): 71073720

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, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 270, 276, 324, 345, 360, 379, 405, 414, 460, 540, 552, 621, 648, 690, 758, 810, 828, 920, 1035, 1080, 1137, 1242, 1380, 1516, 1620, 1656, 1863, 1895, 2070, 2274, 2484, 2760, 3032, 3105, 3240, 3411, 3726, 3790, 4140, 4548, 4968, 5685, 6210, 6822, 7452, 7580, 8280, 8717, 9096, 9315, 10233, 11370, 12420, 13644, 14904, 15160, 17055, 17434, 18630, 20466, 22740, 24840, 26151, 27288, 30699, 34110, 34868, 37260, 40932, 43585, 45480, 51165, 52302, 61398, 68220, 69736, 74520, 78453, 81864, 87170, 102330, 104604, 122796, 130755, 136440, 153495, 156906, 174340, 204660, 209208, 235359, 245592, 261510, 306990, 313812, 348680, 392265, 409320, 470718, 523020, 613980, 627624, 706077, 784530, 941436, 1046040, 1176795, 1227960, 1412154, 1569060, 1882872, 2353590, 2824308, 3138120, 3530385, 4707180, 5648616, 7060770, 9414360, 14121540, 28243080]

約数ペア:

[(1, 28243080), (2, 14121540), (3, 9414360), (4, 7060770), (5, 5648616), (6, 4707180), (8, 3530385), (9, 3138120), (10, 2824308), (12, 2353590), (15, 1882872), (18, 1569060), (20, 1412154), (23, 1227960), (24, 1176795), (27, 1046040), (30, 941436), (36, 784530), (40, 706077), (45, 627624), (46, 613980), (54, 523020), (60, 470718), (69, 409320), (72, 392265), (81, 348680), (90, 313812), (92, 306990), (108, 261510), (115, 245592), (120, 235359), (135, 209208), (138, 204660), (162, 174340), (180, 156906), (184, 153495), (207, 136440), (216, 130755), (230, 122796), (270, 104604), (276, 102330), (324, 87170), (345, 81864), (360, 78453), (379, 74520), (405, 69736), (414, 68220), (460, 61398), (540, 52302), (552, 51165), (621, 45480), (648, 43585), (690, 40932), (758, 37260), (810, 34868), (828, 34110), (920, 30699), (1035, 27288), (1080, 26151), (1137, 24840), (1242, 22740), (1380, 20466), (1516, 18630), (1620, 17434), (1656, 17055), (1863, 15160), (1895, 14904), (2070, 13644), (2274, 12420), (2484, 11370), (2760, 10233), (3032, 9315), (3105, 9096), (3240, 8717), (3411, 8280), (3726, 7580), (3790, 7452), (4140, 6822), (4548, 6210), (4968, 5685)]