655650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:96

約数の個数: 72

約数和(自身を含む): 1857024

約数和(自身を除く): 1201374

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 47, 50, 62, 75, 90, 93, 94, 141, 150, 155, 186, 225, 235, 279, 282, 310, 423, 450, 465, 470, 558, 705, 775, 846, 930, 1175, 1395, 1410, 1457, 1550, 2115, 2325, 2350, 2790, 2914, 3525, 4230, 4371, 4650, 6975, 7050, 7285, 8742, 10575, 13113, 13950, 14570, 21150, 21855, 26226, 36425, 43710, 65565, 72850, 109275, 131130, 218550, 327825, 655650]

約数ペア:

[(1, 655650), (2, 327825), (3, 218550), (5, 131130), (6, 109275), (9, 72850), (10, 65565), (15, 43710), (18, 36425), (25, 26226), (30, 21855), (31, 21150), (45, 14570), (47, 13950), (50, 13113), (62, 10575), (75, 8742), (90, 7285), (93, 7050), (94, 6975), (141, 4650), (150, 4371), (155, 4230), (186, 3525), (225, 2914), (235, 2790), (279, 2350), (282, 2325), (310, 2115), (423, 1550), (450, 1457), (465, 1410), (470, 1395), (558, 1175), (705, 930), (775, 846)]