28335840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 101606400

約数和(自身を除く): 73270560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 96, 104, 114, 120, 130, 152, 156, 160, 190, 195, 208, 228, 239, 240, 247, 260, 285, 304, 312, 380, 390, 416, 456, 478, 480, 494, 520, 570, 608, 624, 717, 741, 760, 780, 912, 956, 988, 1040, 1140, 1195, 1235, 1248, 1434, 1482, 1520, 1560, 1824, 1912, 1976, 2080, 2280, 2390, 2470, 2868, 2964, 3040, 3107, 3120, 3585, 3705, 3824, 3952, 4541, 4560, 4780, 4940, 5736, 5928, 6214, 6240, 7170, 7410, 7648, 7904, 9082, 9120, 9321, 9560, 9880, 11472, 11856, 12428, 13623, 14340, 14820, 15535, 18164, 18642, 19120, 19760, 22705, 22944, 23712, 24856, 27246, 28680, 29640, 31070, 36328, 37284, 38240, 39520, 45410, 46605, 49712, 54492, 57360, 59033, 59280, 62140, 68115, 72656, 74568, 90820, 93210, 99424, 108984, 114720, 118066, 118560, 124280, 136230, 145312, 149136, 177099, 181640, 186420, 217968, 236132, 248560, 272460, 295165, 298272, 354198, 363280, 372840, 435936, 472264, 497120, 544920, 590330, 708396, 726560, 745680, 885495, 944528, 1089840, 1180660, 1416792, 1491360, 1770990, 1889056, 2179680, 2361320, 2833584, 3541980, 4722640, 5667168, 7083960, 9445280, 14167920, 28335840]

約数ペア:

[(1, 28335840), (2, 14167920), (3, 9445280), (4, 7083960), (5, 5667168), (6, 4722640), (8, 3541980), (10, 2833584), (12, 2361320), (13, 2179680), (15, 1889056), (16, 1770990), (19, 1491360), (20, 1416792), (24, 1180660), (26, 1089840), (30, 944528), (32, 885495), (38, 745680), (39, 726560), (40, 708396), (48, 590330), (52, 544920), (57, 497120), (60, 472264), (65, 435936), (76, 372840), (78, 363280), (80, 354198), (95, 298272), (96, 295165), (104, 272460), (114, 248560), (120, 236132), (130, 217968), (152, 186420), (156, 181640), (160, 177099), (190, 149136), (195, 145312), (208, 136230), (228, 124280), (239, 118560), (240, 118066), (247, 114720), (260, 108984), (285, 99424), (304, 93210), (312, 90820), (380, 74568), (390, 72656), (416, 68115), (456, 62140), (478, 59280), (480, 59033), (494, 57360), (520, 54492), (570, 49712), (608, 46605), (624, 45410), (717, 39520), (741, 38240), (760, 37284), (780, 36328), (912, 31070), (956, 29640), (988, 28680), (1040, 27246), (1140, 24856), (1195, 23712), (1235, 22944), (1248, 22705), (1434, 19760), (1482, 19120), (1520, 18642), (1560, 18164), (1824, 15535), (1912, 14820), (1976, 14340), (2080, 13623), (2280, 12428), (2390, 11856), (2470, 11472), (2868, 9880), (2964, 9560), (3040, 9321), (3107, 9120), (3120, 9082), (3585, 7904), (3705, 7648), (3824, 7410), (3952, 7170), (4541, 6240), (4560, 6214), (4780, 5928), (4940, 5736)]