30889260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2417}}^1$

素因数の和:2503

約数の個数: 72

約数和(自身を含む): 95056416

約数和(自身を除く): 64167156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2417, 2556, 3195, 4260, 4834, 6390, 7251, 9668, 12085, 12780, 14502, 21753, 24170, 29004, 36255, 43506, 48340, 72510, 87012, 108765, 145020, 171607, 217530, 343214, 435060, 514821, 686428, 858035, 1029642, 1544463, 1716070, 2059284, 2574105, 3088926, 3432140, 5148210, 6177852, 7722315, 10296420, 15444630, 30889260]

約数ペア:

[(1, 30889260), (2, 15444630), (3, 10296420), (4, 7722315), (5, 6177852), (6, 5148210), (9, 3432140), (10, 3088926), (12, 2574105), (15, 2059284), (18, 1716070), (20, 1544463), (30, 1029642), (36, 858035), (45, 686428), (60, 514821), (71, 435060), (90, 343214), (142, 217530), (180, 171607), (213, 145020), (284, 108765), (355, 87012), (426, 72510), (639, 48340), (710, 43506), (852, 36255), (1065, 29004), (1278, 24170), (1420, 21753), (2130, 14502), (2417, 12780), (2556, 12085), (3195, 9668), (4260, 7251), (4834, 6390)]