78548680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12197}}^1$

素因数の和:12238

約数の個数: 64

約数和(自身を含む): 210781440

約数和(自身を除く): 132232760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 12197, 24394, 48788, 60985, 85379, 97576, 121970, 170758, 243940, 280531, 341516, 426895, 487880, 561062, 683032, 853790, 1122124, 1402655, 1707580, 1963717, 2244248, 2805310, 3415160, 3927434, 5610620, 7854868, 9818585, 11221240, 15709736, 19637170, 39274340, 78548680]

約数ペア:

[(1, 78548680), (2, 39274340), (4, 19637170), (5, 15709736), (7, 11221240), (8, 9818585), (10, 7854868), (14, 5610620), (20, 3927434), (23, 3415160), (28, 2805310), (35, 2244248), (40, 1963717), (46, 1707580), (56, 1402655), (70, 1122124), (92, 853790), (115, 683032), (140, 561062), (161, 487880), (184, 426895), (230, 341516), (280, 280531), (322, 243940), (460, 170758), (644, 121970), (805, 97576), (920, 85379), (1288, 60985), (1610, 48788), (3220, 24394), (6440, 12197)]