15720240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3853}}^1$

素因数の和:3886

約数の個数: 80

約数和(自身を含む): 51612768

約数和(自身を除く): 35892528

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, 3853, 4080, 7706, 11559, 15412, 19265, 23118, 30824, 38530, 46236, 57795, 61648, 65501, 77060, 92472, 115590, 131002, 154120, 184944, 196503, 231180, 262004, 308240, 327505, 393006, 462360, 524008, 655010, 786012, 924720, 982515, 1048016, 1310020, 1572024, 1965030, 2620040, 3144048, 3930060, 5240080, 7860120, 15720240]

約数ペア:

[(1, 15720240), (2, 7860120), (3, 5240080), (4, 3930060), (5, 3144048), (6, 2620040), (8, 1965030), (10, 1572024), (12, 1310020), (15, 1048016), (16, 982515), (17, 924720), (20, 786012), (24, 655010), (30, 524008), (34, 462360), (40, 393006), (48, 327505), (51, 308240), (60, 262004), (68, 231180), (80, 196503), (85, 184944), (102, 154120), (120, 131002), (136, 115590), (170, 92472), (204, 77060), (240, 65501), (255, 61648), (272, 57795), (340, 46236), (408, 38530), (510, 30824), (680, 23118), (816, 19265), (1020, 15412), (1360, 11559), (2040, 7706), (3853, 4080)]