857520120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{420353}}^1$

素因数の和:420384

約数の個数: 64

約数和(自身を含む): 2723893920

約数和(自身を除く): 1866373800

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, 420353, 840706, 1261059, 1681412, 2101765, 2522118, 3362824, 4203530, 5044236, 6305295, 7146001, 8407060, 10088472, 12610590, 14292002, 16814120, 21438003, 25221180, 28584004, 35730005, 42876006, 50442360, 57168008, 71460010, 85752012, 107190015, 142920020, 171504024, 214380030, 285840040, 428760060, 857520120]

約数ペア:

[(1, 857520120), (2, 428760060), (3, 285840040), (4, 214380030), (5, 171504024), (6, 142920020), (8, 107190015), (10, 85752012), (12, 71460010), (15, 57168008), (17, 50442360), (20, 42876006), (24, 35730005), (30, 28584004), (34, 25221180), (40, 21438003), (51, 16814120), (60, 14292002), (68, 12610590), (85, 10088472), (102, 8407060), (120, 7146001), (136, 6305295), (170, 5044236), (204, 4203530), (255, 3362824), (340, 2522118), (408, 2101765), (510, 1681412), (680, 1261059), (1020, 840706), (2040, 420353)]