248281320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:296

約数の個数: 256

約数和(自身を含む): 905748480

約数和(自身を除く): 657467160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 71, 84, 92, 105, 115, 120, 138, 140, 142, 161, 168, 181, 184, 210, 213, 230, 276, 280, 284, 322, 345, 355, 362, 420, 426, 460, 483, 497, 543, 552, 568, 644, 690, 710, 724, 805, 840, 852, 905, 920, 966, 994, 1065, 1086, 1267, 1288, 1380, 1420, 1448, 1491, 1610, 1633, 1704, 1810, 1932, 1988, 2130, 2172, 2415, 2485, 2534, 2715, 2760, 2840, 2982, 3220, 3266, 3620, 3801, 3864, 3976, 4163, 4260, 4344, 4830, 4899, 4970, 5068, 5430, 5964, 6335, 6440, 6532, 7240, 7455, 7602, 8165, 8326, 8520, 9660, 9798, 9940, 10136, 10860, 11431, 11928, 12489, 12670, 12851, 13064, 14910, 15204, 16330, 16652, 19005, 19320, 19596, 19880, 20815, 21720, 22862, 24495, 24978, 25340, 25702, 29141, 29820, 30408, 32660, 33304, 34293, 38010, 38553, 39192, 41630, 45724, 48990, 49956, 50680, 51404, 57155, 58282, 59640, 62445, 64255, 65320, 68586, 76020, 77106, 83260, 87423, 89957, 91448, 97980, 99912, 102808, 114310, 116564, 124890, 128510, 137172, 145705, 152040, 154212, 166520, 171465, 174846, 179914, 192765, 195960, 228620, 233128, 249780, 257020, 269871, 274344, 291410, 295573, 308424, 342930, 349692, 359828, 385530, 437115, 449785, 457240, 499560, 514040, 539742, 582820, 591146, 685860, 699384, 719656, 771060, 874230, 886719, 899570, 1079484, 1165640, 1182292, 1349355, 1371720, 1477865, 1542120, 1748460, 1773438, 1799140, 2069011, 2158968, 2364584, 2698710, 2955730, 3496920, 3546876, 3598280, 4138022, 4433595, 5397420, 5911460, 6207033, 7093752, 8276044, 8867190, 10345055, 10794840, 11822920, 12414066, 16552088, 17734380, 20690110, 24828132, 31035165, 35468760, 41380220, 49656264, 62070330, 82760440, 124140660, 248281320]

約数ペア:

[(1, 248281320), (2, 124140660), (3, 82760440), (4, 62070330), (5, 49656264), (6, 41380220), (7, 35468760), (8, 31035165), (10, 24828132), (12, 20690110), (14, 17734380), (15, 16552088), (20, 12414066), (21, 11822920), (23, 10794840), (24, 10345055), (28, 8867190), (30, 8276044), (35, 7093752), (40, 6207033), (42, 5911460), (46, 5397420), (56, 4433595), (60, 4138022), (69, 3598280), (70, 3546876), (71, 3496920), (84, 2955730), (92, 2698710), (105, 2364584), (115, 2158968), (120, 2069011), (138, 1799140), (140, 1773438), (142, 1748460), (161, 1542120), (168, 1477865), (181, 1371720), (184, 1349355), (210, 1182292), (213, 1165640), (230, 1079484), (276, 899570), (280, 886719), (284, 874230), (322, 771060), (345, 719656), (355, 699384), (362, 685860), (420, 591146), (426, 582820), (460, 539742), (483, 514040), (497, 499560), (543, 457240), (552, 449785), (568, 437115), (644, 385530), (690, 359828), (710, 349692), (724, 342930), (805, 308424), (840, 295573), (852, 291410), (905, 274344), (920, 269871), (966, 257020), (994, 249780), (1065, 233128), (1086, 228620), (1267, 195960), (1288, 192765), (1380, 179914), (1420, 174846), (1448, 171465), (1491, 166520), (1610, 154212), (1633, 152040), (1704, 145705), (1810, 137172), (1932, 128510), (1988, 124890), (2130, 116564), (2172, 114310), (2415, 102808), (2485, 99912), (2534, 97980), (2715, 91448), (2760, 89957), (2840, 87423), (2982, 83260), (3220, 77106), (3266, 76020), (3620, 68586), (3801, 65320), (3864, 64255), (3976, 62445), (4163, 59640), (4260, 58282), (4344, 57155), (4830, 51404), (4899, 50680), (4970, 49956), (5068, 48990), (5430, 45724), (5964, 41630), (6335, 39192), (6440, 38553), (6532, 38010), (7240, 34293), (7455, 33304), (7602, 32660), (8165, 30408), (8326, 29820), (8520, 29141), (9660, 25702), (9798, 25340), (9940, 24978), (10136, 24495), (10860, 22862), (11431, 21720), (11928, 20815), (12489, 19880), (12670, 19596), (12851, 19320), (13064, 19005), (14910, 16652), (15204, 16330)]