27783440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 42926320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 659, 680, 1054, 1240, 1318, 1360, 2108, 2480, 2635, 2636, 3295, 4216, 5270, 5272, 6590, 8432, 10540, 10544, 11203, 13180, 20429, 21080, 22406, 26360, 40858, 42160, 44812, 52720, 56015, 81716, 89624, 102145, 112030, 163432, 179248, 204290, 224060, 326864, 347293, 408580, 448120, 694586, 817160, 896240, 1389172, 1634320, 1736465, 2778344, 3472930, 5556688, 6945860, 13891720, 27783440]

約数ペア:

[(1, 27783440), (2, 13891720), (4, 6945860), (5, 5556688), (8, 3472930), (10, 2778344), (16, 1736465), (17, 1634320), (20, 1389172), (31, 896240), (34, 817160), (40, 694586), (62, 448120), (68, 408580), (80, 347293), (85, 326864), (124, 224060), (136, 204290), (155, 179248), (170, 163432), (248, 112030), (272, 102145), (310, 89624), (340, 81716), (496, 56015), (527, 52720), (620, 44812), (659, 42160), (680, 40858), (1054, 26360), (1240, 22406), (1318, 21080), (1360, 20429), (2108, 13180), (2480, 11203), (2635, 10544), (2636, 10540), (3295, 8432), (4216, 6590), (5270, 5272)]