66326820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2097

約数の個数: 96

約数和(自身を含む): 215040000

約数和(自身を除く): 148713180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 790, 948, 1106, 1185, 1580, 1659, 1999, 2212, 2370, 2765, 3318, 3998, 4740, 5530, 5997, 6636, 7996, 8295, 9995, 11060, 11994, 13993, 16590, 19990, 23988, 27986, 29985, 33180, 39980, 41979, 55972, 59970, 69965, 83958, 119940, 139930, 157921, 167916, 209895, 279860, 315842, 419790, 473763, 631684, 789605, 839580, 947526, 1105447, 1579210, 1895052, 2210894, 2368815, 3158420, 3316341, 4421788, 4737630, 5527235, 6632682, 9475260, 11054470, 13265364, 16581705, 22108940, 33163410, 66326820]

約数ペア:

[(1, 66326820), (2, 33163410), (3, 22108940), (4, 16581705), (5, 13265364), (6, 11054470), (7, 9475260), (10, 6632682), (12, 5527235), (14, 4737630), (15, 4421788), (20, 3316341), (21, 3158420), (28, 2368815), (30, 2210894), (35, 1895052), (42, 1579210), (60, 1105447), (70, 947526), (79, 839580), (84, 789605), (105, 631684), (140, 473763), (158, 419790), (210, 315842), (237, 279860), (316, 209895), (395, 167916), (420, 157921), (474, 139930), (553, 119940), (790, 83958), (948, 69965), (1106, 59970), (1185, 55972), (1580, 41979), (1659, 39980), (1999, 33180), (2212, 29985), (2370, 27986), (2765, 23988), (3318, 19990), (3998, 16590), (4740, 13993), (5530, 11994), (5997, 11060), (6636, 9995), (7996, 8295)]