81432960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 256

約数和(自身を含む): 304335360

約数和(自身を除く): 222902400

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, 73, 80, 83, 84, 96, 105, 112, 120, 128, 140, 146, 160, 166, 168, 192, 210, 219, 224, 240, 249, 280, 292, 320, 332, 336, 365, 384, 415, 420, 438, 448, 480, 498, 511, 560, 581, 584, 640, 664, 672, 730, 830, 840, 876, 896, 960, 996, 1022, 1095, 1120, 1162, 1168, 1245, 1328, 1344, 1460, 1533, 1660, 1680, 1743, 1752, 1920, 1992, 2044, 2190, 2240, 2324, 2336, 2490, 2555, 2656, 2688, 2905, 2920, 3066, 3320, 3360, 3486, 3504, 3984, 4088, 4380, 4480, 4648, 4672, 4980, 5110, 5312, 5810, 5840, 6059, 6132, 6640, 6720, 6972, 7008, 7665, 7968, 8176, 8715, 8760, 9296, 9344, 9960, 10220, 10624, 11620, 11680, 12118, 12264, 13280, 13440, 13944, 14016, 15330, 15936, 16352, 17430, 17520, 18177, 18592, 19920, 20440, 23240, 23360, 24236, 24528, 26560, 27888, 28032, 30295, 30660, 31872, 32704, 34860, 35040, 36354, 37184, 39840, 40880, 42413, 46480, 46720, 48472, 49056, 53120, 55776, 60590, 61320, 65408, 69720, 70080, 72708, 74368, 79680, 81760, 84826, 90885, 92960, 96944, 98112, 111552, 121180, 122640, 127239, 139440, 140160, 145416, 159360, 163520, 169652, 181770, 185920, 193888, 196224, 212065, 223104, 242360, 245280, 254478, 278880, 290832, 327040, 339304, 363540, 371840, 387776, 424130, 484720, 490560, 508956, 557760, 581664, 636195, 678608, 727080, 775552, 848260, 969440, 981120, 1017912, 1115520, 1163328, 1272390, 1357216, 1454160, 1696520, 1938880, 2035824, 2326656, 2544780, 2714432, 2908320, 3393040, 3877760, 4071648, 5089560, 5428864, 5816640, 6786080, 8143296, 10179120, 11633280, 13572160, 16286592, 20358240, 27144320, 40716480, 81432960]

約数ペア:

[(1, 81432960), (2, 40716480), (3, 27144320), (4, 20358240), (5, 16286592), (6, 13572160), (7, 11633280), (8, 10179120), (10, 8143296), (12, 6786080), (14, 5816640), (15, 5428864), (16, 5089560), (20, 4071648), (21, 3877760), (24, 3393040), (28, 2908320), (30, 2714432), (32, 2544780), (35, 2326656), (40, 2035824), (42, 1938880), (48, 1696520), (56, 1454160), (60, 1357216), (64, 1272390), (70, 1163328), (73, 1115520), (80, 1017912), (83, 981120), (84, 969440), (96, 848260), (105, 775552), (112, 727080), (120, 678608), (128, 636195), (140, 581664), (146, 557760), (160, 508956), (166, 490560), (168, 484720), (192, 424130), (210, 387776), (219, 371840), (224, 363540), (240, 339304), (249, 327040), (280, 290832), (292, 278880), (320, 254478), (332, 245280), (336, 242360), (365, 223104), (384, 212065), (415, 196224), (420, 193888), (438, 185920), (448, 181770), (480, 169652), (498, 163520), (511, 159360), (560, 145416), (581, 140160), (584, 139440), (640, 127239), (664, 122640), (672, 121180), (730, 111552), (830, 98112), (840, 96944), (876, 92960), (896, 90885), (960, 84826), (996, 81760), (1022, 79680), (1095, 74368), (1120, 72708), (1162, 70080), (1168, 69720), (1245, 65408), (1328, 61320), (1344, 60590), (1460, 55776), (1533, 53120), (1660, 49056), (1680, 48472), (1743, 46720), (1752, 46480), (1920, 42413), (1992, 40880), (2044, 39840), (2190, 37184), (2240, 36354), (2324, 35040), (2336, 34860), (2490, 32704), (2555, 31872), (2656, 30660), (2688, 30295), (2905, 28032), (2920, 27888), (3066, 26560), (3320, 24528), (3360, 24236), (3486, 23360), (3504, 23240), (3984, 20440), (4088, 19920), (4380, 18592), (4480, 18177), (4648, 17520), (4672, 17430), (4980, 16352), (5110, 15936), (5312, 15330), (5810, 14016), (5840, 13944), (6059, 13440), (6132, 13280), (6640, 12264), (6720, 12118), (6972, 11680), (7008, 11620), (7665, 10624), (7968, 10220), (8176, 9960), (8715, 9344), (8760, 9296)]