216423680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:860

約数の個数: 144

約数和(自身を含む): 596030400

約数和(自身を除く): 379606720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 256, 304, 320, 352, 380, 418, 440, 608, 640, 704, 760, 809, 836, 880, 1045, 1216, 1280, 1408, 1520, 1618, 1672, 1760, 2090, 2432, 2816, 3040, 3236, 3344, 3520, 4045, 4180, 4864, 6080, 6472, 6688, 7040, 8090, 8360, 8899, 12160, 12944, 13376, 14080, 15371, 16180, 16720, 17798, 24320, 25888, 26752, 30742, 32360, 33440, 35596, 44495, 51776, 53504, 61484, 64720, 66880, 71192, 76855, 88990, 103552, 122968, 129440, 133760, 142384, 153710, 169081, 177980, 207104, 245936, 258880, 267520, 284768, 307420, 338162, 355960, 491872, 517760, 569536, 614840, 676324, 711920, 845405, 983744, 1035520, 1139072, 1229680, 1352648, 1423840, 1690810, 1967488, 2278144, 2459360, 2705296, 2847680, 3381620, 3934976, 4918720, 5410592, 5695360, 6763240, 9837440, 10821184, 11390720, 13526480, 19674880, 21642368, 27052960, 43284736, 54105920, 108211840, 216423680]

約数ペア:

[(1, 216423680), (2, 108211840), (4, 54105920), (5, 43284736), (8, 27052960), (10, 21642368), (11, 19674880), (16, 13526480), (19, 11390720), (20, 10821184), (22, 9837440), (32, 6763240), (38, 5695360), (40, 5410592), (44, 4918720), (55, 3934976), (64, 3381620), (76, 2847680), (80, 2705296), (88, 2459360), (95, 2278144), (110, 1967488), (128, 1690810), (152, 1423840), (160, 1352648), (176, 1229680), (190, 1139072), (209, 1035520), (220, 983744), (256, 845405), (304, 711920), (320, 676324), (352, 614840), (380, 569536), (418, 517760), (440, 491872), (608, 355960), (640, 338162), (704, 307420), (760, 284768), (809, 267520), (836, 258880), (880, 245936), (1045, 207104), (1216, 177980), (1280, 169081), (1408, 153710), (1520, 142384), (1618, 133760), (1672, 129440), (1760, 122968), (2090, 103552), (2432, 88990), (2816, 76855), (3040, 71192), (3236, 66880), (3344, 64720), (3520, 61484), (4045, 53504), (4180, 51776), (4864, 44495), (6080, 35596), (6472, 33440), (6688, 32360), (7040, 30742), (8090, 26752), (8360, 25888), (8899, 24320), (12160, 17798), (12944, 16720), (13376, 16180), (14080, 15371)]