74880390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1901}}^1$

素因数の和:2025

約数の個数: 64

約数和(自身を含む): 195556032

約数和(自身を除く): 120675642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 505, 606, 1010, 1313, 1515, 1901, 2626, 3030, 3802, 3939, 5703, 6565, 7878, 9505, 11406, 13130, 19010, 19695, 24713, 28515, 39390, 49426, 57030, 74139, 123565, 148278, 192001, 247130, 370695, 384002, 576003, 741390, 960005, 1152006, 1920010, 2496013, 2880015, 4992026, 5760030, 7488039, 12480065, 14976078, 24960130, 37440195, 74880390]

約数ペア:

[(1, 74880390), (2, 37440195), (3, 24960130), (5, 14976078), (6, 12480065), (10, 7488039), (13, 5760030), (15, 4992026), (26, 2880015), (30, 2496013), (39, 1920010), (65, 1152006), (78, 960005), (101, 741390), (130, 576003), (195, 384002), (202, 370695), (303, 247130), (390, 192001), (505, 148278), (606, 123565), (1010, 74139), (1313, 57030), (1515, 49426), (1901, 39390), (2626, 28515), (3030, 24713), (3802, 19695), (3939, 19010), (5703, 13130), (6565, 11406), (7878, 9505)]