278192760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 256

約数和(自身を含む): 940584960

約数和(自身を除く): 662392200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 53, 60, 62, 68, 83, 85, 93, 102, 106, 120, 124, 136, 155, 159, 166, 170, 186, 204, 212, 248, 249, 255, 265, 310, 318, 332, 340, 372, 408, 415, 424, 465, 498, 510, 527, 530, 620, 636, 664, 680, 744, 795, 830, 901, 930, 996, 1020, 1054, 1060, 1240, 1245, 1272, 1411, 1581, 1590, 1643, 1660, 1802, 1860, 1992, 2040, 2108, 2120, 2490, 2573, 2635, 2703, 2822, 3162, 3180, 3286, 3320, 3604, 3720, 4216, 4233, 4399, 4505, 4929, 4980, 5146, 5270, 5406, 5644, 6324, 6360, 6572, 7055, 7208, 7719, 7905, 8215, 8466, 8798, 9010, 9858, 9960, 10292, 10540, 10812, 11288, 12648, 12865, 13144, 13197, 13515, 14110, 15438, 15810, 16430, 16932, 17596, 18020, 19716, 20584, 21080, 21165, 21624, 21995, 24645, 25730, 26394, 27030, 27931, 28220, 30876, 31620, 32860, 33864, 35192, 36040, 38595, 39432, 42330, 43741, 43990, 49290, 51460, 52788, 54060, 55862, 56440, 61752, 63240, 65720, 65985, 74783, 77190, 83793, 84660, 87482, 87980, 98580, 102920, 105576, 108120, 111724, 131223, 131970, 136369, 139655, 149566, 154380, 167586, 169320, 174964, 175960, 197160, 218705, 223448, 224349, 262446, 263940, 272738, 279310, 299132, 308760, 335172, 349928, 373915, 409107, 418965, 437410, 448698, 524892, 527880, 545476, 558620, 598264, 656115, 670344, 681845, 747830, 818214, 837930, 874820, 897396, 1049784, 1090952, 1117240, 1121745, 1312230, 1363690, 1495660, 1636428, 1675860, 1749640, 1794792, 2045535, 2243490, 2318273, 2624460, 2727380, 2991320, 3272856, 3351720, 4091070, 4486980, 4636546, 5248920, 5454760, 6954819, 8182140, 8973960, 9273092, 11591365, 13909638, 16364280, 18546184, 23182730, 27819276, 34774095, 46365460, 55638552, 69548190, 92730920, 139096380, 278192760]

約数ペア:

[(1, 278192760), (2, 139096380), (3, 92730920), (4, 69548190), (5, 55638552), (6, 46365460), (8, 34774095), (10, 27819276), (12, 23182730), (15, 18546184), (17, 16364280), (20, 13909638), (24, 11591365), (30, 9273092), (31, 8973960), (34, 8182140), (40, 6954819), (51, 5454760), (53, 5248920), (60, 4636546), (62, 4486980), (68, 4091070), (83, 3351720), (85, 3272856), (93, 2991320), (102, 2727380), (106, 2624460), (120, 2318273), (124, 2243490), (136, 2045535), (155, 1794792), (159, 1749640), (166, 1675860), (170, 1636428), (186, 1495660), (204, 1363690), (212, 1312230), (248, 1121745), (249, 1117240), (255, 1090952), (265, 1049784), (310, 897396), (318, 874820), (332, 837930), (340, 818214), (372, 747830), (408, 681845), (415, 670344), (424, 656115), (465, 598264), (498, 558620), (510, 545476), (527, 527880), (530, 524892), (620, 448698), (636, 437410), (664, 418965), (680, 409107), (744, 373915), (795, 349928), (830, 335172), (901, 308760), (930, 299132), (996, 279310), (1020, 272738), (1054, 263940), (1060, 262446), (1240, 224349), (1245, 223448), (1272, 218705), (1411, 197160), (1581, 175960), (1590, 174964), (1643, 169320), (1660, 167586), (1802, 154380), (1860, 149566), (1992, 139655), (2040, 136369), (2108, 131970), (2120, 131223), (2490, 111724), (2573, 108120), (2635, 105576), (2703, 102920), (2822, 98580), (3162, 87980), (3180, 87482), (3286, 84660), (3320, 83793), (3604, 77190), (3720, 74783), (4216, 65985), (4233, 65720), (4399, 63240), (4505, 61752), (4929, 56440), (4980, 55862), (5146, 54060), (5270, 52788), (5406, 51460), (5644, 49290), (6324, 43990), (6360, 43741), (6572, 42330), (7055, 39432), (7208, 38595), (7719, 36040), (7905, 35192), (8215, 33864), (8466, 32860), (8798, 31620), (9010, 30876), (9858, 28220), (9960, 27931), (10292, 27030), (10540, 26394), (10812, 25730), (11288, 24645), (12648, 21995), (12865, 21624), (13144, 21165), (13197, 21080), (13515, 20584), (14110, 19716), (15438, 18020), (15810, 17596), (16430, 16932)]