15519840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 58060800

約数和(自身を除く): 42540960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 149, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 298, 310, 336, 372, 420, 434, 447, 465, 480, 496, 560, 596, 620, 651, 672, 744, 745, 840, 868, 894, 930, 992, 1043, 1085, 1120, 1192, 1240, 1302, 1488, 1490, 1680, 1736, 1788, 1860, 2086, 2170, 2235, 2384, 2480, 2604, 2976, 2980, 3129, 3255, 3360, 3472, 3576, 3720, 4172, 4340, 4470, 4619, 4768, 4960, 5208, 5215, 5960, 6258, 6510, 6944, 7152, 7440, 8344, 8680, 8940, 9238, 10416, 10430, 11920, 12516, 13020, 13857, 14304, 14880, 15645, 16688, 17360, 17880, 18476, 20832, 20860, 23095, 23840, 25032, 26040, 27714, 31290, 32333, 33376, 34720, 35760, 36952, 41720, 46190, 50064, 52080, 55428, 62580, 64666, 69285, 71520, 73904, 83440, 92380, 96999, 100128, 104160, 110856, 125160, 129332, 138570, 147808, 161665, 166880, 184760, 193998, 221712, 250320, 258664, 277140, 323330, 369520, 387996, 443424, 484995, 500640, 517328, 554280, 646660, 739040, 775992, 969990, 1034656, 1108560, 1293320, 1551984, 1939980, 2217120, 2586640, 3103968, 3879960, 5173280, 7759920, 15519840]

約数ペア:

[(1, 15519840), (2, 7759920), (3, 5173280), (4, 3879960), (5, 3103968), (6, 2586640), (7, 2217120), (8, 1939980), (10, 1551984), (12, 1293320), (14, 1108560), (15, 1034656), (16, 969990), (20, 775992), (21, 739040), (24, 646660), (28, 554280), (30, 517328), (31, 500640), (32, 484995), (35, 443424), (40, 387996), (42, 369520), (48, 323330), (56, 277140), (60, 258664), (62, 250320), (70, 221712), (80, 193998), (84, 184760), (93, 166880), (96, 161665), (105, 147808), (112, 138570), (120, 129332), (124, 125160), (140, 110856), (149, 104160), (155, 100128), (160, 96999), (168, 92380), (186, 83440), (210, 73904), (217, 71520), (224, 69285), (240, 64666), (248, 62580), (280, 55428), (298, 52080), (310, 50064), (336, 46190), (372, 41720), (420, 36952), (434, 35760), (447, 34720), (465, 33376), (480, 32333), (496, 31290), (560, 27714), (596, 26040), (620, 25032), (651, 23840), (672, 23095), (744, 20860), (745, 20832), (840, 18476), (868, 17880), (894, 17360), (930, 16688), (992, 15645), (1043, 14880), (1085, 14304), (1120, 13857), (1192, 13020), (1240, 12516), (1302, 11920), (1488, 10430), (1490, 10416), (1680, 9238), (1736, 8940), (1788, 8680), (1860, 8344), (2086, 7440), (2170, 7152), (2235, 6944), (2384, 6510), (2480, 6258), (2604, 5960), (2976, 5215), (2980, 5208), (3129, 4960), (3255, 4768), (3360, 4619), (3472, 4470), (3576, 4340), (3720, 4172)]