71812320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 234465840

約数和(自身を除く): 162653520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 89, 96, 120, 123, 160, 164, 178, 205, 240, 246, 267, 328, 356, 410, 445, 480, 492, 534, 615, 656, 712, 820, 890, 984, 1068, 1230, 1312, 1335, 1424, 1640, 1681, 1780, 1968, 2136, 2460, 2670, 2848, 3280, 3362, 3560, 3649, 3936, 4272, 4920, 5043, 5340, 6560, 6724, 7120, 7298, 8405, 8544, 9840, 10086, 10680, 10947, 13448, 14240, 14596, 16810, 18245, 19680, 20172, 21360, 21894, 25215, 26896, 29192, 33620, 36490, 40344, 42720, 43788, 50430, 53792, 54735, 58384, 67240, 72980, 80688, 87576, 100860, 109470, 116768, 134480, 145960, 149609, 161376, 175152, 201720, 218940, 268960, 291920, 299218, 350304, 403440, 437880, 448827, 583840, 598436, 748045, 806880, 875760, 897654, 1196872, 1496090, 1751520, 1795308, 2244135, 2393744, 2992180, 3590616, 4488270, 4787488, 5984360, 7181232, 8976540, 11968720, 14362464, 17953080, 23937440, 35906160, 71812320]

約数ペア:

[(1, 71812320), (2, 35906160), (3, 23937440), (4, 17953080), (5, 14362464), (6, 11968720), (8, 8976540), (10, 7181232), (12, 5984360), (15, 4787488), (16, 4488270), (20, 3590616), (24, 2992180), (30, 2393744), (32, 2244135), (40, 1795308), (41, 1751520), (48, 1496090), (60, 1196872), (80, 897654), (82, 875760), (89, 806880), (96, 748045), (120, 598436), (123, 583840), (160, 448827), (164, 437880), (178, 403440), (205, 350304), (240, 299218), (246, 291920), (267, 268960), (328, 218940), (356, 201720), (410, 175152), (445, 161376), (480, 149609), (492, 145960), (534, 134480), (615, 116768), (656, 109470), (712, 100860), (820, 87576), (890, 80688), (984, 72980), (1068, 67240), (1230, 58384), (1312, 54735), (1335, 53792), (1424, 50430), (1640, 43788), (1681, 42720), (1780, 40344), (1968, 36490), (2136, 33620), (2460, 29192), (2670, 26896), (2848, 25215), (3280, 21894), (3362, 21360), (3560, 20172), (3649, 19680), (3936, 18245), (4272, 16810), (4920, 14596), (5043, 14240), (5340, 13448), (6560, 10947), (6724, 10680), (7120, 10086), (7298, 9840), (8405, 8544)]