205923720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{100943}}^1$

素因数の和:100974

約数の個数: 64

約数和(自身を含む): 654117120

約数和(自身を除く): 448193400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 100943, 201886, 302829, 403772, 504715, 605658, 807544, 1009430, 1211316, 1514145, 1716031, 2018860, 2422632, 3028290, 3432062, 4037720, 5148093, 6056580, 6864124, 8580155, 10296186, 12113160, 13728248, 17160310, 20592372, 25740465, 34320620, 41184744, 51480930, 68641240, 102961860, 205923720]

約数ペア:

[(1, 205923720), (2, 102961860), (3, 68641240), (4, 51480930), (5, 41184744), (6, 34320620), (8, 25740465), (10, 20592372), (12, 17160310), (15, 13728248), (17, 12113160), (20, 10296186), (24, 8580155), (30, 6864124), (34, 6056580), (40, 5148093), (51, 4037720), (60, 3432062), (68, 3028290), (85, 2422632), (102, 2018860), (120, 1716031), (136, 1514145), (170, 1211316), (204, 1009430), (255, 807544), (340, 605658), (408, 504715), (510, 403772), (680, 302829), (1020, 201886), (2040, 100943)]