280190720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 726274080

約数和(自身を除く): 446083360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 256, 281, 304, 320, 328, 380, 410, 562, 608, 640, 656, 760, 779, 820, 1124, 1216, 1280, 1312, 1405, 1520, 1558, 1640, 2248, 2432, 2624, 2810, 3040, 3116, 3280, 3895, 4496, 4864, 5248, 5339, 5620, 6080, 6232, 6560, 7790, 8992, 10496, 10678, 11240, 11521, 12160, 12464, 13120, 15580, 17984, 21356, 22480, 23042, 24320, 24928, 26240, 26695, 31160, 35968, 42712, 44960, 46084, 49856, 52480, 53390, 57605, 62320, 71936, 85424, 89920, 92168, 99712, 106780, 115210, 124640, 170848, 179840, 184336, 199424, 213560, 218899, 230420, 249280, 341696, 359680, 368672, 427120, 437798, 460840, 498560, 683392, 737344, 854240, 875596, 921680, 997120, 1094495, 1366784, 1474688, 1708480, 1751192, 1843360, 2188990, 2949376, 3416960, 3502384, 3686720, 4377980, 6833920, 7004768, 7373440, 8755960, 14009536, 14746880, 17511920, 28019072, 35023840, 56038144, 70047680, 140095360, 280190720]

約数ペア:

[(1, 280190720), (2, 140095360), (4, 70047680), (5, 56038144), (8, 35023840), (10, 28019072), (16, 17511920), (19, 14746880), (20, 14009536), (32, 8755960), (38, 7373440), (40, 7004768), (41, 6833920), (64, 4377980), (76, 3686720), (80, 3502384), (82, 3416960), (95, 2949376), (128, 2188990), (152, 1843360), (160, 1751192), (164, 1708480), (190, 1474688), (205, 1366784), (256, 1094495), (281, 997120), (304, 921680), (320, 875596), (328, 854240), (380, 737344), (410, 683392), (562, 498560), (608, 460840), (640, 437798), (656, 427120), (760, 368672), (779, 359680), (820, 341696), (1124, 249280), (1216, 230420), (1280, 218899), (1312, 213560), (1405, 199424), (1520, 184336), (1558, 179840), (1640, 170848), (2248, 124640), (2432, 115210), (2624, 106780), (2810, 99712), (3040, 92168), (3116, 89920), (3280, 85424), (3895, 71936), (4496, 62320), (4864, 57605), (5248, 53390), (5339, 52480), (5620, 49856), (6080, 46084), (6232, 44960), (6560, 42712), (7790, 35968), (8992, 31160), (10496, 26695), (10678, 26240), (11240, 24928), (11521, 24320), (12160, 23042), (12464, 22480), (13120, 21356), (15580, 17984)]