399648720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22811}}^1$

素因数の和:22900

約数の個数: 80

約数和(自身を含む): 1255937472

約数和(自身を除く): 856288752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760, 17520, 22811, 45622, 68433, 91244, 114055, 136866, 182488, 228110, 273732, 342165, 364976, 456220, 547464, 684330, 912440, 1094928, 1368660, 1665203, 1824880, 2737320, 3330406, 4995609, 5474640, 6660812, 8326015, 9991218, 13321624, 16652030, 19982436, 24978045, 26643248, 33304060, 39964872, 49956090, 66608120, 79929744, 99912180, 133216240, 199824360, 399648720]

約数ペア:

[(1, 399648720), (2, 199824360), (3, 133216240), (4, 99912180), (5, 79929744), (6, 66608120), (8, 49956090), (10, 39964872), (12, 33304060), (15, 26643248), (16, 24978045), (20, 19982436), (24, 16652030), (30, 13321624), (40, 9991218), (48, 8326015), (60, 6660812), (73, 5474640), (80, 4995609), (120, 3330406), (146, 2737320), (219, 1824880), (240, 1665203), (292, 1368660), (365, 1094928), (438, 912440), (584, 684330), (730, 547464), (876, 456220), (1095, 364976), (1168, 342165), (1460, 273732), (1752, 228110), (2190, 182488), (2920, 136866), (3504, 114055), (4380, 91244), (5840, 68433), (8760, 45622), (17520, 22811)]