291259620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{18181}}^1$

素因数の和:18285

約数の個数: 72

約数和(自身を含む): 893463480

約数和(自身を除く): 602203860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 16020, 18181, 36362, 54543, 72724, 90905, 109086, 163629, 181810, 218172, 272715, 327258, 363620, 545430, 654516, 818145, 1090860, 1618109, 1636290, 3236218, 3272580, 4854327, 6472436, 8090545, 9708654, 14562981, 16181090, 19417308, 24271635, 29125962, 32362180, 48543270, 58251924, 72814905, 97086540, 145629810, 291259620]

約数ペア:

[(1, 291259620), (2, 145629810), (3, 97086540), (4, 72814905), (5, 58251924), (6, 48543270), (9, 32362180), (10, 29125962), (12, 24271635), (15, 19417308), (18, 16181090), (20, 14562981), (30, 9708654), (36, 8090545), (45, 6472436), (60, 4854327), (89, 3272580), (90, 3236218), (178, 1636290), (180, 1618109), (267, 1090860), (356, 818145), (445, 654516), (534, 545430), (801, 363620), (890, 327258), (1068, 272715), (1335, 218172), (1602, 181810), (1780, 163629), (2670, 109086), (3204, 90905), (4005, 72724), (5340, 54543), (8010, 36362), (16020, 18181)]