77618940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1596

約数の個数: 144

約数和(自身を含む): 267859872

約数和(自身を除く): 190240932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1190, 1428, 1470, 1553, 1666, 1785, 2380, 2499, 2940, 3106, 3332, 3570, 4165, 4659, 4998, 6212, 7140, 7765, 8330, 9318, 9996, 10871, 12495, 15530, 16660, 18636, 21742, 23295, 24990, 26401, 31060, 32613, 43484, 46590, 49980, 52802, 54355, 65226, 76097, 79203, 93180, 105604, 108710, 130452, 132005, 152194, 158406, 163065, 184807, 217420, 228291, 264010, 304388, 316812, 326130, 369614, 380485, 396015, 456582, 528020, 554421, 652260, 739228, 760970, 792030, 913164, 924035, 1108842, 1141455, 1293649, 1521940, 1584060, 1848070, 2217684, 2282910, 2587298, 2772105, 3696140, 3880947, 4565820, 5174596, 5544210, 6468245, 7761894, 11088420, 12936490, 15523788, 19404735, 25872980, 38809470, 77618940]

約数ペア:

[(1, 77618940), (2, 38809470), (3, 25872980), (4, 19404735), (5, 15523788), (6, 12936490), (7, 11088420), (10, 7761894), (12, 6468245), (14, 5544210), (15, 5174596), (17, 4565820), (20, 3880947), (21, 3696140), (28, 2772105), (30, 2587298), (34, 2282910), (35, 2217684), (42, 1848070), (49, 1584060), (51, 1521940), (60, 1293649), (68, 1141455), (70, 1108842), (84, 924035), (85, 913164), (98, 792030), (102, 760970), (105, 739228), (119, 652260), (140, 554421), (147, 528020), (170, 456582), (196, 396015), (204, 380485), (210, 369614), (238, 326130), (245, 316812), (255, 304388), (294, 264010), (340, 228291), (357, 217420), (420, 184807), (476, 163065), (490, 158406), (510, 152194), (588, 132005), (595, 130452), (714, 108710), (735, 105604), (833, 93180), (980, 79203), (1020, 76097), (1190, 65226), (1428, 54355), (1470, 52802), (1553, 49980), (1666, 46590), (1785, 43484), (2380, 32613), (2499, 31060), (2940, 26401), (3106, 24990), (3332, 23295), (3570, 21742), (4165, 18636), (4659, 16660), (4998, 15530), (6212, 12495), (7140, 10871), (7765, 9996), (8330, 9318)]