291008640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 256

約数和(自身を含む): 1017878400

約数和(自身を除く): 726869760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 89, 96, 104, 120, 128, 130, 131, 156, 160, 178, 192, 195, 208, 240, 260, 262, 267, 312, 320, 356, 384, 390, 393, 416, 445, 480, 520, 524, 534, 624, 640, 655, 712, 780, 786, 832, 890, 960, 1040, 1048, 1068, 1157, 1248, 1310, 1335, 1424, 1560, 1572, 1664, 1703, 1780, 1920, 1965, 2080, 2096, 2136, 2314, 2496, 2620, 2670, 2848, 3120, 3144, 3406, 3471, 3560, 3930, 4160, 4192, 4272, 4628, 4992, 5109, 5240, 5340, 5696, 5785, 6240, 6288, 6812, 6942, 7120, 7860, 8320, 8384, 8515, 8544, 9256, 10218, 10480, 10680, 11392, 11570, 11659, 12480, 12576, 13624, 13884, 14240, 15720, 16768, 17030, 17088, 17355, 18512, 20436, 20960, 21360, 23140, 23318, 24960, 25152, 25545, 27248, 27768, 28480, 31440, 34060, 34176, 34710, 34977, 37024, 40872, 41920, 42720, 46280, 46636, 50304, 51090, 54496, 55536, 56960, 58295, 62880, 68120, 69420, 69954, 74048, 81744, 83840, 85440, 92560, 93272, 102180, 108992, 111072, 116590, 125760, 136240, 138840, 139908, 148096, 151567, 163488, 170880, 174885, 185120, 186544, 204360, 217984, 222144, 233180, 251520, 272480, 277680, 279816, 303134, 326976, 349770, 370240, 373088, 408720, 444288, 454701, 466360, 544960, 555360, 559632, 606268, 653952, 699540, 740480, 746176, 757835, 817440, 909402, 932720, 1089920, 1110720, 1119264, 1212536, 1399080, 1492352, 1515670, 1634880, 1818804, 1865440, 2221440, 2238528, 2273505, 2425072, 2798160, 3031340, 3269760, 3637608, 3730880, 4477056, 4547010, 4850144, 5596320, 6062680, 7275216, 7461760, 9094020, 9700288, 11192640, 12125360, 14550432, 18188040, 19400576, 22385280, 24250720, 29100864, 36376080, 48501440, 58201728, 72752160, 97002880, 145504320, 291008640]

約数ペア:

[(1, 291008640), (2, 145504320), (3, 97002880), (4, 72752160), (5, 58201728), (6, 48501440), (8, 36376080), (10, 29100864), (12, 24250720), (13, 22385280), (15, 19400576), (16, 18188040), (20, 14550432), (24, 12125360), (26, 11192640), (30, 9700288), (32, 9094020), (39, 7461760), (40, 7275216), (48, 6062680), (52, 5596320), (60, 4850144), (64, 4547010), (65, 4477056), (78, 3730880), (80, 3637608), (89, 3269760), (96, 3031340), (104, 2798160), (120, 2425072), (128, 2273505), (130, 2238528), (131, 2221440), (156, 1865440), (160, 1818804), (178, 1634880), (192, 1515670), (195, 1492352), (208, 1399080), (240, 1212536), (260, 1119264), (262, 1110720), (267, 1089920), (312, 932720), (320, 909402), (356, 817440), (384, 757835), (390, 746176), (393, 740480), (416, 699540), (445, 653952), (480, 606268), (520, 559632), (524, 555360), (534, 544960), (624, 466360), (640, 454701), (655, 444288), (712, 408720), (780, 373088), (786, 370240), (832, 349770), (890, 326976), (960, 303134), (1040, 279816), (1048, 277680), (1068, 272480), (1157, 251520), (1248, 233180), (1310, 222144), (1335, 217984), (1424, 204360), (1560, 186544), (1572, 185120), (1664, 174885), (1703, 170880), (1780, 163488), (1920, 151567), (1965, 148096), (2080, 139908), (2096, 138840), (2136, 136240), (2314, 125760), (2496, 116590), (2620, 111072), (2670, 108992), (2848, 102180), (3120, 93272), (3144, 92560), (3406, 85440), (3471, 83840), (3560, 81744), (3930, 74048), (4160, 69954), (4192, 69420), (4272, 68120), (4628, 62880), (4992, 58295), (5109, 56960), (5240, 55536), (5340, 54496), (5696, 51090), (5785, 50304), (6240, 46636), (6288, 46280), (6812, 42720), (6942, 41920), (7120, 40872), (7860, 37024), (8320, 34977), (8384, 34710), (8515, 34176), (8544, 34060), (9256, 31440), (10218, 28480), (10480, 27768), (10680, 27248), (11392, 25545), (11570, 25152), (11659, 24960), (12480, 23318), (12576, 23140), (13624, 21360), (13884, 20960), (14240, 20436), (15720, 18512), (16768, 17355), (17030, 17088)]