19898160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4877}}^1$

素因数の和:4910

約数の個数: 80

約数和(自身を含む): 65326176

約数和(自身を除く): 45428016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4877, 9754, 14631, 19508, 24385, 29262, 39016, 48770, 58524, 73155, 78032, 82909, 97540, 117048, 146310, 165818, 195080, 234096, 248727, 292620, 331636, 390160, 414545, 497454, 585240, 663272, 829090, 994908, 1170480, 1243635, 1326544, 1658180, 1989816, 2487270, 3316360, 3979632, 4974540, 6632720, 9949080, 19898160]

約数ペア:

[(1, 19898160), (2, 9949080), (3, 6632720), (4, 4974540), (5, 3979632), (6, 3316360), (8, 2487270), (10, 1989816), (12, 1658180), (15, 1326544), (16, 1243635), (17, 1170480), (20, 994908), (24, 829090), (30, 663272), (34, 585240), (40, 497454), (48, 414545), (51, 390160), (60, 331636), (68, 292620), (80, 248727), (85, 234096), (102, 195080), (120, 165818), (136, 146310), (170, 117048), (204, 97540), (240, 82909), (255, 78032), (272, 73155), (340, 58524), (408, 48770), (510, 39016), (680, 29262), (816, 24385), (1020, 19508), (1360, 14631), (2040, 9754), (4080, 4877)]