644670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:74

約数の個数: 96

約数和(自身を含む): 1965600

約数和(自身を除く): 1320930

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 29, 30, 38, 39, 45, 57, 58, 65, 78, 87, 90, 95, 114, 117, 130, 145, 171, 174, 190, 195, 234, 247, 261, 285, 290, 342, 377, 390, 435, 494, 522, 551, 570, 585, 741, 754, 855, 870, 1102, 1131, 1170, 1235, 1305, 1482, 1653, 1710, 1885, 2223, 2262, 2470, 2610, 2755, 3306, 3393, 3705, 3770, 4446, 4959, 5510, 5655, 6786, 7163, 7410, 8265, 9918, 11115, 11310, 14326, 16530, 16965, 21489, 22230, 24795, 33930, 35815, 42978, 49590, 64467, 71630, 107445, 128934, 214890, 322335, 644670]

約数ペア:

[(1, 644670), (2, 322335), (3, 214890), (5, 128934), (6, 107445), (9, 71630), (10, 64467), (13, 49590), (15, 42978), (18, 35815), (19, 33930), (26, 24795), (29, 22230), (30, 21489), (38, 16965), (39, 16530), (45, 14326), (57, 11310), (58, 11115), (65, 9918), (78, 8265), (87, 7410), (90, 7163), (95, 6786), (114, 5655), (117, 5510), (130, 4959), (145, 4446), (171, 3770), (174, 3705), (190, 3393), (195, 3306), (234, 2755), (247, 2610), (261, 2470), (285, 2262), (290, 2223), (342, 1885), (377, 1710), (390, 1653), (435, 1482), (494, 1305), (522, 1235), (551, 1170), (570, 1131), (585, 1102), (741, 870), (754, 855)]