51205020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2953}}^1$

素因数の和:2999

約数の個数: 72

約数和(自身を含む): 152355504

約数和(自身を除く): 101150484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1734, 2890, 2953, 3468, 4335, 5780, 5906, 8670, 8859, 11812, 14765, 17340, 17718, 29530, 35436, 44295, 50201, 59060, 88590, 100402, 150603, 177180, 200804, 251005, 301206, 502010, 602412, 753015, 853417, 1004020, 1506030, 1706834, 2560251, 3012060, 3413668, 4267085, 5120502, 8534170, 10241004, 12801255, 17068340, 25602510, 51205020]

約数ペア:

[(1, 51205020), (2, 25602510), (3, 17068340), (4, 12801255), (5, 10241004), (6, 8534170), (10, 5120502), (12, 4267085), (15, 3413668), (17, 3012060), (20, 2560251), (30, 1706834), (34, 1506030), (51, 1004020), (60, 853417), (68, 753015), (85, 602412), (102, 502010), (170, 301206), (204, 251005), (255, 200804), (289, 177180), (340, 150603), (510, 100402), (578, 88590), (867, 59060), (1020, 50201), (1156, 44295), (1445, 35436), (1734, 29530), (2890, 17718), (2953, 17340), (3468, 14765), (4335, 11812), (5780, 8859), (5906, 8670)]