81902940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11471}}^1$

素因数の和:11507

約数の個数: 96

約数和(自身を含む): 277530624

約数和(自身を除く): 195627684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 11471, 22942, 34413, 45884, 57355, 68826, 80297, 114710, 137652, 160594, 172065, 195007, 229420, 240891, 321188, 344130, 390014, 401485, 481782, 585021, 688260, 780028, 802970, 963564, 975035, 1170042, 1204455, 1365049, 1605940, 1950070, 2340084, 2408910, 2730098, 2925105, 3900140, 4095147, 4817820, 5460196, 5850210, 6825245, 8190294, 11700420, 13650490, 16380588, 20475735, 27300980, 40951470, 81902940]

約数ペア:

[(1, 81902940), (2, 40951470), (3, 27300980), (4, 20475735), (5, 16380588), (6, 13650490), (7, 11700420), (10, 8190294), (12, 6825245), (14, 5850210), (15, 5460196), (17, 4817820), (20, 4095147), (21, 3900140), (28, 2925105), (30, 2730098), (34, 2408910), (35, 2340084), (42, 1950070), (51, 1605940), (60, 1365049), (68, 1204455), (70, 1170042), (84, 975035), (85, 963564), (102, 802970), (105, 780028), (119, 688260), (140, 585021), (170, 481782), (204, 401485), (210, 390014), (238, 344130), (255, 321188), (340, 240891), (357, 229420), (420, 195007), (476, 172065), (510, 160594), (595, 137652), (714, 114710), (1020, 80297), (1190, 68826), (1428, 57355), (1785, 45884), (2380, 34413), (3570, 22942), (7140, 11471)]