78519240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 256

約数和(自身を含む): 285120000

約数和(自身を除く): 206600760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 29, 30, 36, 40, 45, 46, 54, 58, 60, 69, 72, 87, 90, 92, 108, 109, 115, 116, 120, 135, 138, 145, 174, 180, 184, 207, 216, 218, 230, 232, 261, 270, 276, 290, 327, 345, 348, 360, 414, 435, 436, 460, 522, 540, 545, 552, 580, 621, 654, 667, 690, 696, 783, 828, 870, 872, 920, 981, 1035, 1044, 1080, 1090, 1160, 1242, 1305, 1308, 1334, 1380, 1566, 1635, 1656, 1740, 1962, 2001, 2070, 2088, 2180, 2484, 2507, 2610, 2616, 2668, 2760, 2943, 3105, 3132, 3161, 3270, 3335, 3480, 3915, 3924, 4002, 4140, 4360, 4905, 4968, 5014, 5220, 5336, 5886, 6003, 6210, 6264, 6322, 6540, 6670, 7521, 7830, 7848, 8004, 8280, 9483, 9810, 10005, 10028, 10440, 11772, 12006, 12420, 12535, 12644, 13080, 13340, 14715, 15042, 15660, 15805, 16008, 18009, 18966, 19620, 20010, 20056, 22563, 23544, 24012, 24840, 25070, 25288, 26680, 28449, 29430, 30015, 30084, 31320, 31610, 36018, 37605, 37932, 39240, 40020, 45126, 47415, 48024, 50140, 56898, 58860, 60030, 60168, 63220, 67689, 72036, 72703, 75210, 75864, 80040, 85347, 90045, 90252, 94830, 100280, 112815, 113796, 117720, 120060, 126440, 135378, 142245, 144072, 145406, 150420, 170694, 180090, 180504, 189660, 218109, 225630, 227592, 240120, 270756, 284490, 290812, 300840, 338445, 341388, 360180, 363515, 379320, 426735, 436218, 451260, 541512, 568980, 581624, 654327, 676890, 682776, 720360, 727030, 853470, 872436, 902520, 1090545, 1137960, 1308654, 1353780, 1454060, 1706940, 1744872, 1962981, 2181090, 2617308, 2707560, 2908120, 3271635, 3413880, 3925962, 4362180, 5234616, 6543270, 7851924, 8724360, 9814905, 13086540, 15703848, 19629810, 26173080, 39259620, 78519240]

約数ペア:

[(1, 78519240), (2, 39259620), (3, 26173080), (4, 19629810), (5, 15703848), (6, 13086540), (8, 9814905), (9, 8724360), (10, 7851924), (12, 6543270), (15, 5234616), (18, 4362180), (20, 3925962), (23, 3413880), (24, 3271635), (27, 2908120), (29, 2707560), (30, 2617308), (36, 2181090), (40, 1962981), (45, 1744872), (46, 1706940), (54, 1454060), (58, 1353780), (60, 1308654), (69, 1137960), (72, 1090545), (87, 902520), (90, 872436), (92, 853470), (108, 727030), (109, 720360), (115, 682776), (116, 676890), (120, 654327), (135, 581624), (138, 568980), (145, 541512), (174, 451260), (180, 436218), (184, 426735), (207, 379320), (216, 363515), (218, 360180), (230, 341388), (232, 338445), (261, 300840), (270, 290812), (276, 284490), (290, 270756), (327, 240120), (345, 227592), (348, 225630), (360, 218109), (414, 189660), (435, 180504), (436, 180090), (460, 170694), (522, 150420), (540, 145406), (545, 144072), (552, 142245), (580, 135378), (621, 126440), (654, 120060), (667, 117720), (690, 113796), (696, 112815), (783, 100280), (828, 94830), (870, 90252), (872, 90045), (920, 85347), (981, 80040), (1035, 75864), (1044, 75210), (1080, 72703), (1090, 72036), (1160, 67689), (1242, 63220), (1305, 60168), (1308, 60030), (1334, 58860), (1380, 56898), (1566, 50140), (1635, 48024), (1656, 47415), (1740, 45126), (1962, 40020), (2001, 39240), (2070, 37932), (2088, 37605), (2180, 36018), (2484, 31610), (2507, 31320), (2610, 30084), (2616, 30015), (2668, 29430), (2760, 28449), (2943, 26680), (3105, 25288), (3132, 25070), (3161, 24840), (3270, 24012), (3335, 23544), (3480, 22563), (3915, 20056), (3924, 20010), (4002, 19620), (4140, 18966), (4360, 18009), (4905, 16008), (4968, 15805), (5014, 15660), (5220, 15042), (5336, 14715), (5886, 13340), (6003, 13080), (6210, 12644), (6264, 12535), (6322, 12420), (6540, 12006), (6670, 11772), (7521, 10440), (7830, 10028), (7848, 10005), (8004, 9810), (8280, 9483)]