261791040

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:429

約数の個数: 224

約数和(自身を含む): 959754240

約数和(自身を除く): 697963200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 163, 168, 192, 210, 224, 239, 240, 280, 320, 326, 336, 420, 448, 478, 480, 489, 560, 652, 672, 717, 815, 840, 956, 960, 978, 1120, 1141, 1195, 1304, 1344, 1434, 1630, 1673, 1680, 1912, 1956, 2240, 2282, 2390, 2445, 2608, 2868, 3260, 3346, 3360, 3423, 3585, 3824, 3912, 4564, 4780, 4890, 5019, 5216, 5705, 5736, 6520, 6692, 6720, 6846, 7170, 7648, 7824, 8365, 9128, 9560, 9780, 10038, 10432, 11410, 11472, 13040, 13384, 13692, 14340, 15296, 15648, 16730, 17115, 18256, 19120, 19560, 20076, 22820, 22944, 25095, 26080, 26768, 27384, 28680, 31296, 33460, 34230, 36512, 38240, 38957, 39120, 40152, 45640, 45888, 50190, 52160, 53536, 54768, 57360, 66920, 68460, 73024, 76480, 77914, 78240, 80304, 91280, 100380, 107072, 109536, 114720, 116871, 133840, 136920, 155828, 156480, 160608, 182560, 194785, 200760, 219072, 229440, 233742, 267680, 272699, 273840, 311656, 321216, 365120, 389570, 401520, 467484, 535360, 545398, 547680, 584355, 623312, 779140, 803040, 818097, 934968, 1090796, 1095360, 1168710, 1246624, 1363495, 1558280, 1606080, 1636194, 1869936, 2181592, 2337420, 2493248, 2726990, 3116560, 3272388, 3739872, 4090485, 4363184, 4674840, 5453980, 6233120, 6544776, 7479744, 8180970, 8726368, 9349680, 10907960, 12466240, 13089552, 16361940, 17452736, 18699360, 21815920, 26179104, 32723880, 37398720, 43631840, 52358208, 65447760, 87263680, 130895520, 261791040]

約数ペア:

[(1, 261791040), (2, 130895520), (3, 87263680), (4, 65447760), (5, 52358208), (6, 43631840), (7, 37398720), (8, 32723880), (10, 26179104), (12, 21815920), (14, 18699360), (15, 17452736), (16, 16361940), (20, 13089552), (21, 12466240), (24, 10907960), (28, 9349680), (30, 8726368), (32, 8180970), (35, 7479744), (40, 6544776), (42, 6233120), (48, 5453980), (56, 4674840), (60, 4363184), (64, 4090485), (70, 3739872), (80, 3272388), (84, 3116560), (96, 2726990), (105, 2493248), (112, 2337420), (120, 2181592), (140, 1869936), (160, 1636194), (163, 1606080), (168, 1558280), (192, 1363495), (210, 1246624), (224, 1168710), (239, 1095360), (240, 1090796), (280, 934968), (320, 818097), (326, 803040), (336, 779140), (420, 623312), (448, 584355), (478, 547680), (480, 545398), (489, 535360), (560, 467484), (652, 401520), (672, 389570), (717, 365120), (815, 321216), (840, 311656), (956, 273840), (960, 272699), (978, 267680), (1120, 233742), (1141, 229440), (1195, 219072), (1304, 200760), (1344, 194785), (1434, 182560), (1630, 160608), (1673, 156480), (1680, 155828), (1912, 136920), (1956, 133840), (2240, 116871), (2282, 114720), (2390, 109536), (2445, 107072), (2608, 100380), (2868, 91280), (3260, 80304), (3346, 78240), (3360, 77914), (3423, 76480), (3585, 73024), (3824, 68460), (3912, 66920), (4564, 57360), (4780, 54768), (4890, 53536), (5019, 52160), (5216, 50190), (5705, 45888), (5736, 45640), (6520, 40152), (6692, 39120), (6720, 38957), (6846, 38240), (7170, 36512), (7648, 34230), (7824, 33460), (8365, 31296), (9128, 28680), (9560, 27384), (9780, 26768), (10038, 26080), (10432, 25095), (11410, 22944), (11472, 22820), (13040, 20076), (13384, 19560), (13692, 19120), (14340, 18256), (15296, 17115), (15648, 16730)]