668732360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:691

約数の個数: 128

約数和(自身を含む): 1680307200

約数和(自身を除く): 1011574840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 67, 76, 92, 95, 115, 134, 152, 184, 190, 230, 268, 335, 380, 437, 460, 536, 571, 670, 760, 874, 920, 1142, 1273, 1340, 1541, 1748, 2185, 2284, 2546, 2680, 2855, 3082, 3496, 4370, 4568, 5092, 5710, 6164, 6365, 7705, 8740, 10184, 10849, 11420, 12328, 12730, 13133, 15410, 17480, 21698, 22840, 25460, 26266, 29279, 30820, 38257, 43396, 50920, 52532, 54245, 58558, 61640, 65665, 76514, 86792, 105064, 108490, 117116, 131330, 146395, 153028, 191285, 216980, 234232, 249527, 262660, 292790, 306056, 382570, 433960, 499054, 525320, 585580, 726883, 765140, 879911, 998108, 1171160, 1247635, 1453766, 1530280, 1759822, 1996216, 2495270, 2907532, 3519644, 3634415, 4399555, 4990540, 5815064, 7039288, 7268830, 8799110, 9981080, 14537660, 16718309, 17598220, 29075320, 33436618, 35196440, 66873236, 83591545, 133746472, 167183090, 334366180, 668732360]

約数ペア:

[(1, 668732360), (2, 334366180), (4, 167183090), (5, 133746472), (8, 83591545), (10, 66873236), (19, 35196440), (20, 33436618), (23, 29075320), (38, 17598220), (40, 16718309), (46, 14537660), (67, 9981080), (76, 8799110), (92, 7268830), (95, 7039288), (115, 5815064), (134, 4990540), (152, 4399555), (184, 3634415), (190, 3519644), (230, 2907532), (268, 2495270), (335, 1996216), (380, 1759822), (437, 1530280), (460, 1453766), (536, 1247635), (571, 1171160), (670, 998108), (760, 879911), (874, 765140), (920, 726883), (1142, 585580), (1273, 525320), (1340, 499054), (1541, 433960), (1748, 382570), (2185, 306056), (2284, 292790), (2546, 262660), (2680, 249527), (2855, 234232), (3082, 216980), (3496, 191285), (4370, 153028), (4568, 146395), (5092, 131330), (5710, 117116), (6164, 108490), (6365, 105064), (7705, 86792), (8740, 76514), (10184, 65665), (10849, 61640), (11420, 58558), (12328, 54245), (12730, 52532), (13133, 50920), (15410, 43396), (17480, 38257), (21698, 30820), (22840, 29279), (25460, 26266)]