255874140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 288

約数和(自身を含む): 902603520

約数和(自身を除く): 646729380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 81, 85, 90, 95, 102, 108, 114, 135, 153, 162, 163, 170, 171, 180, 190, 204, 228, 243, 255, 270, 285, 306, 323, 324, 326, 340, 342, 380, 405, 459, 486, 489, 510, 513, 540, 570, 612, 646, 652, 684, 765, 810, 815, 855, 918, 969, 972, 978, 1020, 1026, 1140, 1215, 1292, 1377, 1467, 1530, 1539, 1615, 1620, 1630, 1710, 1836, 1938, 1956, 2052, 2295, 2430, 2445, 2565, 2754, 2771, 2907, 2934, 3060, 3078, 3097, 3230, 3260, 3420, 3876, 4131, 4401, 4590, 4617, 4845, 4860, 4890, 5130, 5508, 5542, 5814, 5868, 6156, 6194, 6460, 6885, 7335, 7695, 8262, 8313, 8721, 8802, 9180, 9234, 9291, 9690, 9780, 10260, 11084, 11628, 12388, 13203, 13770, 13855, 14535, 14670, 15390, 15485, 16524, 16626, 17442, 17604, 18468, 18582, 19380, 20655, 22005, 23085, 24939, 26163, 26406, 27540, 27710, 27873, 29070, 29340, 30780, 30970, 33252, 34884, 37164, 39609, 41310, 41565, 43605, 44010, 46170, 46455, 49878, 52326, 52649, 52812, 55420, 55746, 58140, 61940, 66015, 74817, 78489, 79218, 82620, 83130, 83619, 87210, 88020, 92340, 92910, 99756, 104652, 105298, 111492, 124695, 130815, 132030, 139365, 149634, 156978, 157947, 158436, 166260, 167238, 174420, 185820, 198045, 210596, 224451, 249390, 250857, 261630, 263245, 264060, 278730, 299268, 313956, 315894, 334476, 374085, 392445, 396090, 418095, 448902, 473841, 498780, 501714, 523260, 526490, 557460, 631788, 673353, 748170, 752571, 784890, 789735, 792180, 836190, 897804, 947682, 1003428, 1052980, 1122255, 1254285, 1346706, 1421523, 1496340, 1505142, 1569780, 1579470, 1672380, 1895364, 2244510, 2369205, 2508570, 2693412, 2843046, 3010284, 3158940, 3366765, 3762855, 4264569, 4489020, 4738410, 5017140, 5686092, 6733530, 7107615, 7525710, 8529138, 9476820, 12793707, 13467060, 14215230, 15051420, 17058276, 21322845, 25587414, 28430460, 42645690, 51174828, 63968535, 85291380, 127937070, 255874140]

約数ペア:

[(1, 255874140), (2, 127937070), (3, 85291380), (4, 63968535), (5, 51174828), (6, 42645690), (9, 28430460), (10, 25587414), (12, 21322845), (15, 17058276), (17, 15051420), (18, 14215230), (19, 13467060), (20, 12793707), (27, 9476820), (30, 8529138), (34, 7525710), (36, 7107615), (38, 6733530), (45, 5686092), (51, 5017140), (54, 4738410), (57, 4489020), (60, 4264569), (68, 3762855), (76, 3366765), (81, 3158940), (85, 3010284), (90, 2843046), (95, 2693412), (102, 2508570), (108, 2369205), (114, 2244510), (135, 1895364), (153, 1672380), (162, 1579470), (163, 1569780), (170, 1505142), (171, 1496340), (180, 1421523), (190, 1346706), (204, 1254285), (228, 1122255), (243, 1052980), (255, 1003428), (270, 947682), (285, 897804), (306, 836190), (323, 792180), (324, 789735), (326, 784890), (340, 752571), (342, 748170), (380, 673353), (405, 631788), (459, 557460), (486, 526490), (489, 523260), (510, 501714), (513, 498780), (540, 473841), (570, 448902), (612, 418095), (646, 396090), (652, 392445), (684, 374085), (765, 334476), (810, 315894), (815, 313956), (855, 299268), (918, 278730), (969, 264060), (972, 263245), (978, 261630), (1020, 250857), (1026, 249390), (1140, 224451), (1215, 210596), (1292, 198045), (1377, 185820), (1467, 174420), (1530, 167238), (1539, 166260), (1615, 158436), (1620, 157947), (1630, 156978), (1710, 149634), (1836, 139365), (1938, 132030), (1956, 130815), (2052, 124695), (2295, 111492), (2430, 105298), (2445, 104652), (2565, 99756), (2754, 92910), (2771, 92340), (2907, 88020), (2934, 87210), (3060, 83619), (3078, 83130), (3097, 82620), (3230, 79218), (3260, 78489), (3420, 74817), (3876, 66015), (4131, 61940), (4401, 58140), (4590, 55746), (4617, 55420), (4845, 52812), (4860, 52649), (4890, 52326), (5130, 49878), (5508, 46455), (5542, 46170), (5814, 44010), (5868, 43605), (6156, 41565), (6194, 41310), (6460, 39609), (6885, 37164), (7335, 34884), (7695, 33252), (8262, 30970), (8313, 30780), (8721, 29340), (8802, 29070), (9180, 27873), (9234, 27710), (9291, 27540), (9690, 26406), (9780, 26163), (10260, 24939), (11084, 23085), (11628, 22005), (12388, 20655), (13203, 19380), (13770, 18582), (13855, 18468), (14535, 17604), (14670, 17442), (15390, 16626), (15485, 16524)]