77995120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 160

約数和(自身を含む): 219985920

約数和(自身を除く): 141990800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 43, 56, 70, 79, 80, 82, 86, 112, 140, 158, 164, 172, 205, 215, 280, 287, 301, 316, 328, 344, 395, 410, 430, 553, 560, 574, 602, 632, 656, 688, 790, 820, 860, 1106, 1148, 1204, 1264, 1435, 1505, 1580, 1640, 1720, 1763, 2212, 2296, 2408, 2765, 2870, 3010, 3160, 3239, 3280, 3397, 3440, 3526, 4424, 4592, 4816, 5530, 5740, 6020, 6320, 6478, 6794, 7052, 8815, 8848, 11060, 11480, 12040, 12341, 12956, 13588, 14104, 16195, 16985, 17630, 22120, 22673, 22960, 23779, 24080, 24682, 25912, 27176, 28208, 32390, 33970, 35260, 44240, 45346, 47558, 49364, 51824, 54352, 61705, 64780, 67940, 70520, 90692, 95116, 98728, 113365, 118895, 123410, 129560, 135880, 139277, 141040, 181384, 190232, 197456, 226730, 237790, 246820, 259120, 271760, 278554, 362768, 380464, 453460, 475580, 493640, 557108, 696385, 906920, 951160, 974939, 987280, 1114216, 1392770, 1813840, 1902320, 1949878, 2228432, 2785540, 3899756, 4874695, 5571080, 7799512, 9749390, 11142160, 15599024, 19498780, 38997560, 77995120]

約数ペア:

[(1, 77995120), (2, 38997560), (4, 19498780), (5, 15599024), (7, 11142160), (8, 9749390), (10, 7799512), (14, 5571080), (16, 4874695), (20, 3899756), (28, 2785540), (35, 2228432), (40, 1949878), (41, 1902320), (43, 1813840), (56, 1392770), (70, 1114216), (79, 987280), (80, 974939), (82, 951160), (86, 906920), (112, 696385), (140, 557108), (158, 493640), (164, 475580), (172, 453460), (205, 380464), (215, 362768), (280, 278554), (287, 271760), (301, 259120), (316, 246820), (328, 237790), (344, 226730), (395, 197456), (410, 190232), (430, 181384), (553, 141040), (560, 139277), (574, 135880), (602, 129560), (632, 123410), (656, 118895), (688, 113365), (790, 98728), (820, 95116), (860, 90692), (1106, 70520), (1148, 67940), (1204, 64780), (1264, 61705), (1435, 54352), (1505, 51824), (1580, 49364), (1640, 47558), (1720, 45346), (1763, 44240), (2212, 35260), (2296, 33970), (2408, 32390), (2765, 28208), (2870, 27176), (3010, 25912), (3160, 24682), (3239, 24080), (3280, 23779), (3397, 22960), (3440, 22673), (3526, 22120), (4424, 17630), (4592, 16985), (4816, 16195), (5530, 14104), (5740, 13588), (6020, 12956), (6320, 12341), (6478, 12040), (6794, 11480), (7052, 11060), (8815, 8848)]