8450820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 30925440

約数和(自身を除く): 22474620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 353, 380, 399, 420, 532, 570, 630, 665, 684, 706, 798, 855, 1059, 1140, 1197, 1260, 1330, 1412, 1596, 1710, 1765, 1995, 2118, 2394, 2471, 2660, 3177, 3420, 3530, 3990, 4236, 4788, 4942, 5295, 5985, 6354, 6707, 7060, 7413, 7980, 9884, 10590, 11970, 12355, 12708, 13414, 14826, 15885, 20121, 21180, 22239, 23940, 24710, 26828, 29652, 31770, 33535, 37065, 40242, 44478, 46949, 49420, 60363, 63540, 67070, 74130, 80484, 88956, 93898, 100605, 111195, 120726, 134140, 140847, 148260, 187796, 201210, 222390, 234745, 241452, 281694, 301815, 402420, 422541, 444780, 469490, 563388, 603630, 704235, 845082, 938980, 1207260, 1408470, 1690164, 2112705, 2816940, 4225410, 8450820]

約数ペア:

[(1, 8450820), (2, 4225410), (3, 2816940), (4, 2112705), (5, 1690164), (6, 1408470), (7, 1207260), (9, 938980), (10, 845082), (12, 704235), (14, 603630), (15, 563388), (18, 469490), (19, 444780), (20, 422541), (21, 402420), (28, 301815), (30, 281694), (35, 241452), (36, 234745), (38, 222390), (42, 201210), (45, 187796), (57, 148260), (60, 140847), (63, 134140), (70, 120726), (76, 111195), (84, 100605), (90, 93898), (95, 88956), (105, 80484), (114, 74130), (126, 67070), (133, 63540), (140, 60363), (171, 49420), (180, 46949), (190, 44478), (210, 40242), (228, 37065), (252, 33535), (266, 31770), (285, 29652), (315, 26828), (342, 24710), (353, 23940), (380, 22239), (399, 21180), (420, 20121), (532, 15885), (570, 14826), (630, 13414), (665, 12708), (684, 12355), (706, 11970), (798, 10590), (855, 9884), (1059, 7980), (1140, 7413), (1197, 7060), (1260, 6707), (1330, 6354), (1412, 5985), (1596, 5295), (1710, 4942), (1765, 4788), (1995, 4236), (2118, 3990), (2394, 3530), (2471, 3420), (2660, 3177)]