318937920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1589

約数の個数: 224

約数和(自身を含む): 1195401216

約数和(自身を除く): 876463296

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, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 420, 434, 448, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 960, 992, 1085, 1120, 1240, 1302, 1344, 1488, 1531, 1680, 1736, 1860, 1984, 2170, 2240, 2480, 2604, 2976, 3062, 3255, 3360, 3472, 3720, 4340, 4593, 4960, 5208, 5952, 6124, 6510, 6720, 6944, 7440, 7655, 8680, 9186, 9920, 10416, 10717, 12248, 13020, 13888, 14880, 15310, 17360, 18372, 20832, 21434, 22965, 24496, 26040, 29760, 30620, 32151, 34720, 36744, 41664, 42868, 45930, 47461, 48992, 52080, 53585, 61240, 64302, 69440, 73488, 85736, 91860, 94922, 97984, 104160, 107170, 122480, 128604, 142383, 146976, 160755, 171472, 183720, 189844, 208320, 214340, 237305, 244960, 257208, 284766, 293952, 321510, 332227, 342944, 367440, 379688, 428680, 474610, 489920, 514416, 569532, 643020, 664454, 685888, 711915, 734880, 759376, 857360, 949220, 996681, 1028832, 1139064, 1286040, 1328908, 1423830, 1469760, 1518752, 1661135, 1714720, 1898440, 1993362, 2057664, 2278128, 2572080, 2657816, 2847660, 3037504, 3322270, 3429440, 3796880, 3986724, 4556256, 4983405, 5144160, 5315632, 5695320, 6644540, 7593760, 7973448, 9112512, 9966810, 10288320, 10631264, 11390640, 13289080, 15187520, 15946896, 19933620, 21262528, 22781280, 26578160, 31893792, 39867240, 45562560, 53156320, 63787584, 79734480, 106312640, 159468960, 318937920]

約数ペア:

[(1, 318937920), (2, 159468960), (3, 106312640), (4, 79734480), (5, 63787584), (6, 53156320), (7, 45562560), (8, 39867240), (10, 31893792), (12, 26578160), (14, 22781280), (15, 21262528), (16, 19933620), (20, 15946896), (21, 15187520), (24, 13289080), (28, 11390640), (30, 10631264), (31, 10288320), (32, 9966810), (35, 9112512), (40, 7973448), (42, 7593760), (48, 6644540), (56, 5695320), (60, 5315632), (62, 5144160), (64, 4983405), (70, 4556256), (80, 3986724), (84, 3796880), (93, 3429440), (96, 3322270), (105, 3037504), (112, 2847660), (120, 2657816), (124, 2572080), (140, 2278128), (155, 2057664), (160, 1993362), (168, 1898440), (186, 1714720), (192, 1661135), (210, 1518752), (217, 1469760), (224, 1423830), (240, 1328908), (248, 1286040), (280, 1139064), (310, 1028832), (320, 996681), (336, 949220), (372, 857360), (420, 759376), (434, 734880), (448, 711915), (465, 685888), (480, 664454), (496, 643020), (560, 569532), (620, 514416), (651, 489920), (672, 474610), (744, 428680), (840, 379688), (868, 367440), (930, 342944), (960, 332227), (992, 321510), (1085, 293952), (1120, 284766), (1240, 257208), (1302, 244960), (1344, 237305), (1488, 214340), (1531, 208320), (1680, 189844), (1736, 183720), (1860, 171472), (1984, 160755), (2170, 146976), (2240, 142383), (2480, 128604), (2604, 122480), (2976, 107170), (3062, 104160), (3255, 97984), (3360, 94922), (3472, 91860), (3720, 85736), (4340, 73488), (4593, 69440), (4960, 64302), (5208, 61240), (5952, 53585), (6124, 52080), (6510, 48992), (6720, 47461), (6944, 45930), (7440, 42868), (7655, 41664), (8680, 36744), (9186, 34720), (9920, 32151), (10416, 30620), (10717, 29760), (12248, 26040), (13020, 24496), (13888, 22965), (14880, 21434), (15310, 20832), (17360, 18372)]