644233020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:800

約数の個数: 144

約数和(自身を含む): 1955143008

約数和(自身を除く): 1310909988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 53, 60, 68, 85, 102, 106, 159, 170, 204, 212, 255, 265, 289, 318, 340, 510, 530, 578, 636, 701, 795, 867, 901, 1020, 1060, 1156, 1402, 1445, 1590, 1734, 1802, 2103, 2703, 2804, 2890, 3180, 3468, 3505, 3604, 4206, 4335, 4505, 5406, 5780, 7010, 8412, 8670, 9010, 10515, 10812, 11917, 13515, 14020, 15317, 17340, 18020, 21030, 23834, 27030, 30634, 35751, 37153, 42060, 45951, 47668, 54060, 59585, 61268, 71502, 74306, 76585, 91902, 111459, 119170, 143004, 148612, 153170, 178755, 183804, 185765, 202589, 222918, 229755, 238340, 306340, 357510, 371530, 405178, 445836, 459510, 557295, 607767, 631601, 715020, 743060, 810356, 919020, 1012945, 1114590, 1215534, 1263202, 1894803, 2025890, 2229180, 2431068, 2526404, 3038835, 3158005, 3789606, 4051780, 6077670, 6316010, 7579212, 9474015, 10737217, 12155340, 12632020, 18948030, 21474434, 32211651, 37896060, 42948868, 53686085, 64423302, 107372170, 128846604, 161058255, 214744340, 322116510, 644233020]

約数ペア:

[(1, 644233020), (2, 322116510), (3, 214744340), (4, 161058255), (5, 128846604), (6, 107372170), (10, 64423302), (12, 53686085), (15, 42948868), (17, 37896060), (20, 32211651), (30, 21474434), (34, 18948030), (51, 12632020), (53, 12155340), (60, 10737217), (68, 9474015), (85, 7579212), (102, 6316010), (106, 6077670), (159, 4051780), (170, 3789606), (204, 3158005), (212, 3038835), (255, 2526404), (265, 2431068), (289, 2229180), (318, 2025890), (340, 1894803), (510, 1263202), (530, 1215534), (578, 1114590), (636, 1012945), (701, 919020), (795, 810356), (867, 743060), (901, 715020), (1020, 631601), (1060, 607767), (1156, 557295), (1402, 459510), (1445, 445836), (1590, 405178), (1734, 371530), (1802, 357510), (2103, 306340), (2703, 238340), (2804, 229755), (2890, 222918), (3180, 202589), (3468, 185765), (3505, 183804), (3604, 178755), (4206, 153170), (4335, 148612), (4505, 143004), (5406, 119170), (5780, 111459), (7010, 91902), (8412, 76585), (8670, 74306), (9010, 71502), (10515, 61268), (10812, 59585), (11917, 54060), (13515, 47668), (14020, 45951), (15317, 42060), (17340, 37153), (18020, 35751), (21030, 30634), (23834, 27030)]