28212180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1627}}^1$

素因数の和:1673

約数の個数: 72

約数和(自身を含む): 83965728

約数和(自身を除く): 55753548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1627, 1734, 2890, 3254, 3468, 4335, 4881, 5780, 6508, 8135, 8670, 9762, 16270, 17340, 19524, 24405, 27659, 32540, 48810, 55318, 82977, 97620, 110636, 138295, 165954, 276590, 331908, 414885, 470203, 553180, 829770, 940406, 1410609, 1659540, 1880812, 2351015, 2821218, 4702030, 5642436, 7053045, 9404060, 14106090, 28212180]

約数ペア:

[(1, 28212180), (2, 14106090), (3, 9404060), (4, 7053045), (5, 5642436), (6, 4702030), (10, 2821218), (12, 2351015), (15, 1880812), (17, 1659540), (20, 1410609), (30, 940406), (34, 829770), (51, 553180), (60, 470203), (68, 414885), (85, 331908), (102, 276590), (170, 165954), (204, 138295), (255, 110636), (289, 97620), (340, 82977), (510, 55318), (578, 48810), (867, 32540), (1020, 27659), (1156, 24405), (1445, 19524), (1627, 17340), (1734, 16270), (2890, 9762), (3254, 8670), (3468, 8135), (4335, 6508), (4881, 5780)]