28763280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:478

約数の個数: 240

約数和(自身を含む): 119159040

約数和(自身を除く): 90395760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 439, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 878, 910, 936, 1008, 1040, 1092, 1170, 1260, 1317, 1365, 1456, 1560, 1638, 1680, 1756, 1820, 1872, 2184, 2195, 2340, 2520, 2634, 2730, 3073, 3120, 3276, 3512, 3640, 3951, 4095, 4368, 4390, 4680, 5040, 5268, 5460, 5707, 6146, 6552, 6585, 7024, 7280, 7902, 8190, 8780, 9219, 9360, 10536, 10920, 11414, 12292, 13104, 13170, 15365, 15804, 16380, 17121, 17560, 18438, 19755, 21072, 21840, 22828, 24584, 26340, 27657, 28535, 30730, 31608, 32760, 34242, 35120, 36876, 39510, 39949, 45656, 46095, 49168, 51363, 52680, 55314, 57070, 61460, 63216, 65520, 68484, 73752, 79020, 79898, 85605, 91312, 92190, 102726, 105360, 110628, 114140, 119847, 122920, 136968, 138285, 147504, 158040, 159796, 171210, 184380, 199745, 205452, 221256, 228280, 239694, 245840, 256815, 273936, 276570, 316080, 319592, 342420, 359541, 368760, 399490, 410904, 442512, 456560, 479388, 513630, 553140, 599235, 639184, 684840, 719082, 737520, 798980, 821808, 958776, 1027260, 1106280, 1198470, 1369680, 1438164, 1597960, 1797705, 1917552, 2054520, 2212560, 2396940, 2876328, 3195920, 3595410, 4109040, 4793880, 5752656, 7190820, 9587760, 14381640, 28763280]

約数ペア:

[(1, 28763280), (2, 14381640), (3, 9587760), (4, 7190820), (5, 5752656), (6, 4793880), (7, 4109040), (8, 3595410), (9, 3195920), (10, 2876328), (12, 2396940), (13, 2212560), (14, 2054520), (15, 1917552), (16, 1797705), (18, 1597960), (20, 1438164), (21, 1369680), (24, 1198470), (26, 1106280), (28, 1027260), (30, 958776), (35, 821808), (36, 798980), (39, 737520), (40, 719082), (42, 684840), (45, 639184), (48, 599235), (52, 553140), (56, 513630), (60, 479388), (63, 456560), (65, 442512), (70, 410904), (72, 399490), (78, 368760), (80, 359541), (84, 342420), (90, 319592), (91, 316080), (104, 276570), (105, 273936), (112, 256815), (117, 245840), (120, 239694), (126, 228280), (130, 221256), (140, 205452), (144, 199745), (156, 184380), (168, 171210), (180, 159796), (182, 158040), (195, 147504), (208, 138285), (210, 136968), (234, 122920), (240, 119847), (252, 114140), (260, 110628), (273, 105360), (280, 102726), (312, 92190), (315, 91312), (336, 85605), (360, 79898), (364, 79020), (390, 73752), (420, 68484), (439, 65520), (455, 63216), (468, 61460), (504, 57070), (520, 55314), (546, 52680), (560, 51363), (585, 49168), (624, 46095), (630, 45656), (720, 39949), (728, 39510), (780, 36876), (819, 35120), (840, 34242), (878, 32760), (910, 31608), (936, 30730), (1008, 28535), (1040, 27657), (1092, 26340), (1170, 24584), (1260, 22828), (1317, 21840), (1365, 21072), (1456, 19755), (1560, 18438), (1638, 17560), (1680, 17121), (1756, 16380), (1820, 15804), (1872, 15365), (2184, 13170), (2195, 13104), (2340, 12292), (2520, 11414), (2634, 10920), (2730, 10536), (3073, 9360), (3120, 9219), (3276, 8780), (3512, 8190), (3640, 7902), (3951, 7280), (4095, 7024), (4368, 6585), (4390, 6552), (4680, 6146), (5040, 5707), (5268, 5460)]