28540080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 160

約数和(自身を含む): 100201920

約数和(自身を除く): 71661840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 73, 80, 90, 108, 120, 135, 144, 146, 180, 181, 216, 219, 240, 270, 292, 360, 362, 365, 432, 438, 540, 543, 584, 657, 720, 724, 730, 876, 905, 1080, 1086, 1095, 1168, 1314, 1448, 1460, 1629, 1752, 1810, 1971, 2160, 2172, 2190, 2628, 2715, 2896, 2920, 3258, 3285, 3504, 3620, 3942, 4344, 4380, 4887, 5256, 5430, 5840, 6516, 6570, 7240, 7884, 8145, 8688, 8760, 9774, 9855, 10512, 10860, 13032, 13140, 13213, 14480, 15768, 16290, 17520, 19548, 19710, 21720, 24435, 26064, 26280, 26426, 31536, 32580, 39096, 39420, 39639, 43440, 48870, 52560, 52852, 65160, 66065, 78192, 78840, 79278, 97740, 105704, 118917, 130320, 132130, 157680, 158556, 195480, 198195, 211408, 237834, 264260, 317112, 356751, 390960, 396390, 475668, 528520, 594585, 634224, 713502, 792780, 951336, 1057040, 1189170, 1427004, 1585560, 1783755, 1902672, 2378340, 2854008, 3171120, 3567510, 4756680, 5708016, 7135020, 9513360, 14270040, 28540080]

約数ペア:

[(1, 28540080), (2, 14270040), (3, 9513360), (4, 7135020), (5, 5708016), (6, 4756680), (8, 3567510), (9, 3171120), (10, 2854008), (12, 2378340), (15, 1902672), (16, 1783755), (18, 1585560), (20, 1427004), (24, 1189170), (27, 1057040), (30, 951336), (36, 792780), (40, 713502), (45, 634224), (48, 594585), (54, 528520), (60, 475668), (72, 396390), (73, 390960), (80, 356751), (90, 317112), (108, 264260), (120, 237834), (135, 211408), (144, 198195), (146, 195480), (180, 158556), (181, 157680), (216, 132130), (219, 130320), (240, 118917), (270, 105704), (292, 97740), (360, 79278), (362, 78840), (365, 78192), (432, 66065), (438, 65160), (540, 52852), (543, 52560), (584, 48870), (657, 43440), (720, 39639), (724, 39420), (730, 39096), (876, 32580), (905, 31536), (1080, 26426), (1086, 26280), (1095, 26064), (1168, 24435), (1314, 21720), (1448, 19710), (1460, 19548), (1629, 17520), (1752, 16290), (1810, 15768), (1971, 14480), (2160, 13213), (2172, 13140), (2190, 13032), (2628, 10860), (2715, 10512), (2896, 9855), (2920, 9774), (3258, 8760), (3285, 8688), (3504, 8145), (3620, 7884), (3942, 7240), (4344, 6570), (4380, 6516), (4887, 5840), (5256, 5430)]