1615872020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{853}}^1\times {\mathrm{1933}}^1$

素因数の和:2809

約数の個数: 72

約数和(自身を含む): 3954016584

約数和(自身を除く): 2338144564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 853, 980, 1706, 1933, 3412, 3866, 4265, 5971, 7732, 8530, 9665, 11942, 13531, 17060, 19330, 23884, 27062, 29855, 38660, 41797, 54124, 59710, 67655, 83594, 94717, 119420, 135310, 167188, 189434, 208985, 270620, 378868, 417970, 473585, 835940, 947170, 1648849, 1894340, 3297698, 6595396, 8244245, 11541943, 16488490, 23083886, 32976980, 46167772, 57709715, 80793601, 115419430, 161587202, 230838860, 323174404, 403968005, 807936010, 1615872020]

約数ペア:

[(1, 1615872020), (2, 807936010), (4, 403968005), (5, 323174404), (7, 230838860), (10, 161587202), (14, 115419430), (20, 80793601), (28, 57709715), (35, 46167772), (49, 32976980), (70, 23083886), (98, 16488490), (140, 11541943), (196, 8244245), (245, 6595396), (490, 3297698), (853, 1894340), (980, 1648849), (1706, 947170), (1933, 835940), (3412, 473585), (3866, 417970), (4265, 378868), (5971, 270620), (7732, 208985), (8530, 189434), (9665, 167188), (11942, 135310), (13531, 119420), (17060, 94717), (19330, 83594), (23884, 67655), (27062, 59710), (29855, 54124), (38660, 41797)]