28366240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 192

約数和(自身を含む): 85155840

約数和(自身を除く): 56789600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 43, 56, 62, 70, 76, 80, 86, 95, 112, 124, 133, 140, 152, 155, 160, 172, 190, 215, 217, 224, 248, 266, 280, 301, 304, 310, 344, 380, 430, 434, 496, 532, 560, 589, 602, 608, 620, 665, 688, 760, 817, 860, 868, 992, 1064, 1085, 1120, 1178, 1204, 1240, 1330, 1333, 1376, 1505, 1520, 1634, 1720, 1736, 2128, 2170, 2356, 2408, 2480, 2660, 2666, 2945, 3010, 3040, 3268, 3440, 3472, 4085, 4123, 4256, 4340, 4712, 4816, 4960, 5320, 5332, 5719, 5890, 6020, 6536, 6665, 6880, 6944, 8170, 8246, 8680, 9331, 9424, 9632, 10640, 10664, 11438, 11780, 12040, 13072, 13330, 16340, 16492, 17360, 18662, 18848, 20615, 21280, 21328, 22876, 23560, 24080, 25327, 26144, 26660, 28595, 32680, 32984, 34720, 37324, 41230, 42656, 45752, 46655, 47120, 48160, 50654, 53320, 57190, 65360, 65968, 74648, 82460, 91504, 93310, 94240, 101308, 106640, 114380, 126635, 130720, 131936, 149296, 164920, 177289, 183008, 186620, 202616, 213280, 228760, 253270, 298592, 329840, 354578, 373240, 405232, 457520, 506540, 659680, 709156, 746480, 810464, 886445, 915040, 1013080, 1418312, 1492960, 1772890, 2026160, 2836624, 3545780, 4052320, 5673248, 7091560, 14183120, 28366240]

約数ペア:

[(1, 28366240), (2, 14183120), (4, 7091560), (5, 5673248), (7, 4052320), (8, 3545780), (10, 2836624), (14, 2026160), (16, 1772890), (19, 1492960), (20, 1418312), (28, 1013080), (31, 915040), (32, 886445), (35, 810464), (38, 746480), (40, 709156), (43, 659680), (56, 506540), (62, 457520), (70, 405232), (76, 373240), (80, 354578), (86, 329840), (95, 298592), (112, 253270), (124, 228760), (133, 213280), (140, 202616), (152, 186620), (155, 183008), (160, 177289), (172, 164920), (190, 149296), (215, 131936), (217, 130720), (224, 126635), (248, 114380), (266, 106640), (280, 101308), (301, 94240), (304, 93310), (310, 91504), (344, 82460), (380, 74648), (430, 65968), (434, 65360), (496, 57190), (532, 53320), (560, 50654), (589, 48160), (602, 47120), (608, 46655), (620, 45752), (665, 42656), (688, 41230), (760, 37324), (817, 34720), (860, 32984), (868, 32680), (992, 28595), (1064, 26660), (1085, 26144), (1120, 25327), (1178, 24080), (1204, 23560), (1240, 22876), (1330, 21328), (1333, 21280), (1376, 20615), (1505, 18848), (1520, 18662), (1634, 17360), (1720, 16492), (1736, 16340), (2128, 13330), (2170, 13072), (2356, 12040), (2408, 11780), (2480, 11438), (2660, 10664), (2666, 10640), (2945, 9632), (3010, 9424), (3040, 9331), (3268, 8680), (3440, 8246), (3472, 8170), (4085, 6944), (4123, 6880), (4256, 6665), (4340, 6536), (4712, 6020), (4816, 5890), (4960, 5719), (5320, 5332)]