42421260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 141571584

約数和(自身を除く): 99150324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 196, 210, 235, 245, 282, 294, 307, 329, 420, 470, 490, 564, 588, 614, 658, 705, 735, 921, 940, 980, 987, 1228, 1316, 1410, 1470, 1535, 1645, 1842, 1974, 2149, 2303, 2820, 2940, 3070, 3290, 3684, 3948, 4298, 4605, 4606, 4935, 6140, 6447, 6580, 6909, 8596, 9210, 9212, 9870, 10745, 11515, 12894, 13818, 14429, 15043, 18420, 19740, 21490, 23030, 25788, 27636, 28858, 30086, 32235, 34545, 42980, 43287, 45129, 46060, 57716, 60172, 64470, 69090, 72145, 75215, 86574, 90258, 101003, 128940, 138180, 144290, 150430, 173148, 180516, 202006, 216435, 225645, 288580, 300860, 303009, 404012, 432870, 451290, 505015, 606018, 707021, 865740, 902580, 1010030, 1212036, 1414042, 1515045, 2020060, 2121063, 2828084, 3030090, 3535105, 4242126, 6060180, 7070210, 8484252, 10605315, 14140420, 21210630, 42421260]

約数ペア:

[(1, 42421260), (2, 21210630), (3, 14140420), (4, 10605315), (5, 8484252), (6, 7070210), (7, 6060180), (10, 4242126), (12, 3535105), (14, 3030090), (15, 2828084), (20, 2121063), (21, 2020060), (28, 1515045), (30, 1414042), (35, 1212036), (42, 1010030), (47, 902580), (49, 865740), (60, 707021), (70, 606018), (84, 505015), (94, 451290), (98, 432870), (105, 404012), (140, 303009), (141, 300860), (147, 288580), (188, 225645), (196, 216435), (210, 202006), (235, 180516), (245, 173148), (282, 150430), (294, 144290), (307, 138180), (329, 128940), (420, 101003), (470, 90258), (490, 86574), (564, 75215), (588, 72145), (614, 69090), (658, 64470), (705, 60172), (735, 57716), (921, 46060), (940, 45129), (980, 43287), (987, 42980), (1228, 34545), (1316, 32235), (1410, 30086), (1470, 28858), (1535, 27636), (1645, 25788), (1842, 23030), (1974, 21490), (2149, 19740), (2303, 18420), (2820, 15043), (2940, 14429), (3070, 13818), (3290, 12894), (3684, 11515), (3948, 10745), (4298, 9870), (4605, 9212), (4606, 9210), (4935, 8596), (6140, 6909), (6447, 6580)]