205722780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1451}}^1$

素因数の和:1619

約数の個数: 96

約数和(自身を含む): 614718720

約数和(自身を除く): 408995940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 139, 170, 204, 255, 278, 340, 417, 510, 556, 695, 834, 1020, 1390, 1451, 1668, 2085, 2363, 2780, 2902, 4170, 4353, 4726, 5804, 7089, 7255, 8340, 8706, 9452, 11815, 14178, 14510, 17412, 21765, 23630, 24667, 28356, 29020, 35445, 43530, 47260, 49334, 70890, 74001, 87060, 98668, 123335, 141780, 148002, 201689, 246670, 296004, 370005, 403378, 493340, 605067, 740010, 806756, 1008445, 1210134, 1480020, 2016890, 2420268, 3025335, 3428713, 4033780, 6050670, 6857426, 10286139, 12101340, 13714852, 17143565, 20572278, 34287130, 41144556, 51430695, 68574260, 102861390, 205722780]

約数ペア:

[(1, 205722780), (2, 102861390), (3, 68574260), (4, 51430695), (5, 41144556), (6, 34287130), (10, 20572278), (12, 17143565), (15, 13714852), (17, 12101340), (20, 10286139), (30, 6857426), (34, 6050670), (51, 4033780), (60, 3428713), (68, 3025335), (85, 2420268), (102, 2016890), (139, 1480020), (170, 1210134), (204, 1008445), (255, 806756), (278, 740010), (340, 605067), (417, 493340), (510, 403378), (556, 370005), (695, 296004), (834, 246670), (1020, 201689), (1390, 148002), (1451, 141780), (1668, 123335), (2085, 98668), (2363, 87060), (2780, 74001), (2902, 70890), (4170, 49334), (4353, 47260), (4726, 43530), (5804, 35445), (7089, 29020), (7255, 28356), (8340, 24667), (8706, 23630), (9452, 21765), (11815, 17412), (14178, 14510)]