305705880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 256

約数和(自身を含む): 1100390400

約数和(自身を除く): 794684520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 31, 36, 40, 45, 46, 54, 60, 62, 69, 72, 90, 92, 93, 108, 115, 120, 124, 135, 138, 155, 180, 184, 186, 207, 216, 230, 248, 270, 276, 279, 310, 345, 360, 372, 397, 414, 460, 465, 540, 552, 558, 620, 621, 690, 713, 744, 794, 828, 837, 920, 930, 1035, 1080, 1116, 1191, 1240, 1242, 1380, 1395, 1426, 1588, 1656, 1674, 1860, 1985, 2070, 2139, 2232, 2382, 2484, 2760, 2790, 2852, 3105, 3176, 3348, 3565, 3573, 3720, 3970, 4140, 4185, 4278, 4764, 4968, 5580, 5704, 5955, 6210, 6417, 6696, 7130, 7146, 7940, 8280, 8370, 8556, 9131, 9528, 10695, 10719, 11160, 11910, 12307, 12420, 12834, 14260, 14292, 15880, 16740, 17112, 17865, 18262, 19251, 21390, 21438, 23820, 24614, 24840, 25668, 27393, 28520, 28584, 32085, 33480, 35730, 36524, 36921, 38502, 42780, 42876, 45655, 47640, 49228, 51336, 53595, 54786, 61535, 64170, 71460, 73048, 73842, 77004, 82179, 85560, 85752, 91310, 96255, 98456, 107190, 109572, 110763, 123070, 128340, 136965, 142920, 147684, 154008, 164358, 182620, 184605, 192510, 214380, 219144, 221526, 246140, 246537, 256680, 273930, 283061, 295368, 328716, 332289, 365240, 369210, 385020, 410895, 428760, 443052, 492280, 493074, 547860, 553815, 566122, 657432, 664578, 738420, 770040, 821790, 849183, 886104, 986148, 1095720, 1107630, 1132244, 1232685, 1329156, 1415305, 1476840, 1643580, 1661445, 1698366, 1972296, 2215260, 2264488, 2465370, 2547549, 2658312, 2830610, 3287160, 3322890, 3396732, 4245915, 4430520, 4930740, 5095098, 5661220, 6645780, 6793464, 7642647, 8491830, 9861480, 10190196, 11322440, 12737745, 13291560, 15285294, 16983660, 20380392, 25475490, 30570588, 33967320, 38213235, 50950980, 61141176, 76426470, 101901960, 152852940, 305705880]

約数ペア:

[(1, 305705880), (2, 152852940), (3, 101901960), (4, 76426470), (5, 61141176), (6, 50950980), (8, 38213235), (9, 33967320), (10, 30570588), (12, 25475490), (15, 20380392), (18, 16983660), (20, 15285294), (23, 13291560), (24, 12737745), (27, 11322440), (30, 10190196), (31, 9861480), (36, 8491830), (40, 7642647), (45, 6793464), (46, 6645780), (54, 5661220), (60, 5095098), (62, 4930740), (69, 4430520), (72, 4245915), (90, 3396732), (92, 3322890), (93, 3287160), (108, 2830610), (115, 2658312), (120, 2547549), (124, 2465370), (135, 2264488), (138, 2215260), (155, 1972296), (180, 1698366), (184, 1661445), (186, 1643580), (207, 1476840), (216, 1415305), (230, 1329156), (248, 1232685), (270, 1132244), (276, 1107630), (279, 1095720), (310, 986148), (345, 886104), (360, 849183), (372, 821790), (397, 770040), (414, 738420), (460, 664578), (465, 657432), (540, 566122), (552, 553815), (558, 547860), (620, 493074), (621, 492280), (690, 443052), (713, 428760), (744, 410895), (794, 385020), (828, 369210), (837, 365240), (920, 332289), (930, 328716), (1035, 295368), (1080, 283061), (1116, 273930), (1191, 256680), (1240, 246537), (1242, 246140), (1380, 221526), (1395, 219144), (1426, 214380), (1588, 192510), (1656, 184605), (1674, 182620), (1860, 164358), (1985, 154008), (2070, 147684), (2139, 142920), (2232, 136965), (2382, 128340), (2484, 123070), (2760, 110763), (2790, 109572), (2852, 107190), (3105, 98456), (3176, 96255), (3348, 91310), (3565, 85752), (3573, 85560), (3720, 82179), (3970, 77004), (4140, 73842), (4185, 73048), (4278, 71460), (4764, 64170), (4968, 61535), (5580, 54786), (5704, 53595), (5955, 51336), (6210, 49228), (6417, 47640), (6696, 45655), (7130, 42876), (7146, 42780), (7940, 38502), (8280, 36921), (8370, 36524), (8556, 35730), (9131, 33480), (9528, 32085), (10695, 28584), (10719, 28520), (11160, 27393), (11910, 25668), (12307, 24840), (12420, 24614), (12834, 23820), (14260, 21438), (14292, 21390), (15880, 19251), (16740, 18262), (17112, 17865)]