16777280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 112

約数和(自身を含む): 44592240

約数和(自身を除く): 27814960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 109, 130, 148, 160, 185, 208, 218, 260, 296, 320, 370, 416, 436, 481, 520, 545, 592, 740, 832, 872, 962, 1040, 1090, 1184, 1417, 1480, 1744, 1924, 2080, 2180, 2368, 2405, 2834, 2960, 3488, 3848, 4033, 4160, 4360, 4810, 5668, 5920, 6976, 7085, 7696, 8066, 8720, 9620, 11336, 11840, 14170, 15392, 16132, 17440, 19240, 20165, 22672, 28340, 30784, 32264, 34880, 38480, 40330, 45344, 52429, 56680, 64528, 76960, 80660, 90688, 104858, 113360, 129056, 153920, 161320, 209716, 226720, 258112, 262145, 322640, 419432, 453440, 524290, 645280, 838864, 1048580, 1290560, 1677728, 2097160, 3355456, 4194320, 8388640, 16777280]

約数ペア:

[(1, 16777280), (2, 8388640), (4, 4194320), (5, 3355456), (8, 2097160), (10, 1677728), (13, 1290560), (16, 1048580), (20, 838864), (26, 645280), (32, 524290), (37, 453440), (40, 419432), (52, 322640), (64, 262145), (65, 258112), (74, 226720), (80, 209716), (104, 161320), (109, 153920), (130, 129056), (148, 113360), (160, 104858), (185, 90688), (208, 80660), (218, 76960), (260, 64528), (296, 56680), (320, 52429), (370, 45344), (416, 40330), (436, 38480), (481, 34880), (520, 32264), (545, 30784), (592, 28340), (740, 22672), (832, 20165), (872, 19240), (962, 17440), (1040, 16132), (1090, 15392), (1184, 14170), (1417, 11840), (1480, 11336), (1744, 9620), (1924, 8720), (2080, 8066), (2180, 7696), (2368, 7085), (2405, 6976), (2834, 5920), (2960, 5668), (3488, 4810), (3848, 4360), (4033, 4160)]