213543040

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:294

約数の個数: 128

約数和(自身を含む): 541987200

約数和(自身を除く): 328444160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 163, 178, 184, 230, 320, 326, 356, 368, 445, 460, 640, 652, 712, 736, 815, 890, 920, 1304, 1424, 1472, 1630, 1780, 1840, 2047, 2608, 2848, 2944, 3260, 3560, 3680, 3749, 4094, 5216, 5696, 6520, 7120, 7360, 7498, 8188, 10235, 10432, 11392, 13040, 14240, 14507, 14720, 14996, 16376, 18745, 20470, 20864, 26080, 28480, 29014, 29992, 32752, 37490, 40940, 52160, 56960, 58028, 59984, 65504, 72535, 74980, 81880, 104320, 116056, 119968, 131008, 145070, 149960, 163760, 232112, 239936, 262016, 290140, 299920, 327520, 333661, 464224, 479872, 580280, 599840, 655040, 667322, 928448, 1160560, 1199680, 1310080, 1334644, 1668305, 1856896, 2321120, 2399360, 2669288, 3336610, 4642240, 5338576, 6673220, 9284480, 10677152, 13346440, 21354304, 26692880, 42708608, 53385760, 106771520, 213543040]

約数ペア:

[(1, 213543040), (2, 106771520), (4, 53385760), (5, 42708608), (8, 26692880), (10, 21354304), (16, 13346440), (20, 10677152), (23, 9284480), (32, 6673220), (40, 5338576), (46, 4642240), (64, 3336610), (80, 2669288), (89, 2399360), (92, 2321120), (115, 1856896), (128, 1668305), (160, 1334644), (163, 1310080), (178, 1199680), (184, 1160560), (230, 928448), (320, 667322), (326, 655040), (356, 599840), (368, 580280), (445, 479872), (460, 464224), (640, 333661), (652, 327520), (712, 299920), (736, 290140), (815, 262016), (890, 239936), (920, 232112), (1304, 163760), (1424, 149960), (1472, 145070), (1630, 131008), (1780, 119968), (1840, 116056), (2047, 104320), (2608, 81880), (2848, 74980), (2944, 72535), (3260, 65504), (3560, 59984), (3680, 58028), (3749, 56960), (4094, 52160), (5216, 40940), (5696, 37490), (6520, 32752), (7120, 29992), (7360, 29014), (7498, 28480), (8188, 26080), (10235, 20864), (10432, 20470), (11392, 18745), (13040, 16376), (14240, 14996), (14507, 14720)]