78546560

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 200931840

約数和(自身を除く): 122385280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 107, 124, 128, 148, 155, 160, 185, 214, 248, 296, 310, 320, 370, 428, 496, 535, 592, 620, 640, 740, 856, 992, 1070, 1147, 1184, 1240, 1480, 1712, 1984, 2140, 2294, 2368, 2480, 2960, 3317, 3424, 3959, 3968, 4280, 4588, 4736, 4960, 5735, 5920, 6634, 6848, 7918, 8560, 9176, 9920, 11470, 11840, 13268, 13696, 15836, 16585, 17120, 18352, 19795, 19840, 22940, 23680, 26536, 31672, 33170, 34240, 36704, 39590, 45880, 53072, 63344, 66340, 68480, 73408, 79180, 91760, 106144, 122729, 126688, 132680, 146816, 158360, 183520, 212288, 245458, 253376, 265360, 316720, 367040, 424576, 490916, 506752, 530720, 613645, 633440, 734080, 981832, 1061440, 1227290, 1266880, 1963664, 2122880, 2454580, 2533760, 3927328, 4909160, 7854656, 9818320, 15709312, 19636640, 39273280, 78546560]

約数ペア:

[(1, 78546560), (2, 39273280), (4, 19636640), (5, 15709312), (8, 9818320), (10, 7854656), (16, 4909160), (20, 3927328), (31, 2533760), (32, 2454580), (37, 2122880), (40, 1963664), (62, 1266880), (64, 1227290), (74, 1061440), (80, 981832), (107, 734080), (124, 633440), (128, 613645), (148, 530720), (155, 506752), (160, 490916), (185, 424576), (214, 367040), (248, 316720), (296, 265360), (310, 253376), (320, 245458), (370, 212288), (428, 183520), (496, 158360), (535, 146816), (592, 132680), (620, 126688), (640, 122729), (740, 106144), (856, 91760), (992, 79180), (1070, 73408), (1147, 68480), (1184, 66340), (1240, 63344), (1480, 53072), (1712, 45880), (1984, 39590), (2140, 36704), (2294, 34240), (2368, 33170), (2480, 31672), (2960, 26536), (3317, 23680), (3424, 22940), (3959, 19840), (3968, 19795), (4280, 18352), (4588, 17120), (4736, 16585), (4960, 15836), (5735, 13696), (5920, 13268), (6634, 11840), (6848, 11470), (7918, 9920), (8560, 9176)]