405291280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11593}}^1$

素因数の和:11648

約数の個数: 80

約数和(自身を含む): 1035112320

約数和(自身を除く): 629821040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 4370, 6992, 8740, 11593, 17480, 23186, 34960, 46372, 57965, 92744, 115930, 185488, 220267, 231860, 266639, 440534, 463720, 533278, 881068, 927440, 1066556, 1101335, 1333195, 1762136, 2133112, 2202670, 2666390, 3524272, 4266224, 4405340, 5066141, 5332780, 8810680, 10132282, 10665560, 17621360, 20264564, 21331120, 25330705, 40529128, 50661410, 81058256, 101322820, 202645640, 405291280]

約数ペア:

[(1, 405291280), (2, 202645640), (4, 101322820), (5, 81058256), (8, 50661410), (10, 40529128), (16, 25330705), (19, 21331120), (20, 20264564), (23, 17621360), (38, 10665560), (40, 10132282), (46, 8810680), (76, 5332780), (80, 5066141), (92, 4405340), (95, 4266224), (115, 3524272), (152, 2666390), (184, 2202670), (190, 2133112), (230, 1762136), (304, 1333195), (368, 1101335), (380, 1066556), (437, 927440), (460, 881068), (760, 533278), (874, 463720), (920, 440534), (1520, 266639), (1748, 231860), (1840, 220267), (2185, 185488), (3496, 115930), (4370, 92744), (6992, 57965), (8740, 46372), (11593, 34960), (17480, 23186)]