81956490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2087}}^1$

素因数の和:2132

約数の個数: 128

約数和(自身を含む): 259780608

約数和(自身を除く): 177824118

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 17, 21, 22, 30, 33, 34, 35, 42, 51, 55, 66, 70, 77, 85, 102, 105, 110, 119, 154, 165, 170, 187, 210, 231, 238, 255, 330, 357, 374, 385, 462, 510, 561, 595, 714, 770, 935, 1122, 1155, 1190, 1309, 1785, 1870, 2087, 2310, 2618, 2805, 3570, 3927, 4174, 5610, 6261, 6545, 7854, 10435, 12522, 13090, 14609, 19635, 20870, 22957, 29218, 31305, 35479, 39270, 43827, 45914, 62610, 68871, 70958, 73045, 87654, 106437, 114785, 137742, 146090, 160699, 177395, 212874, 219135, 229570, 248353, 321398, 344355, 354790, 390269, 438270, 482097, 496706, 532185, 688710, 745059, 780538, 803495, 964194, 1064370, 1170807, 1241765, 1490118, 1606990, 1951345, 2341614, 2410485, 2483530, 2731883, 3725295, 3902690, 4820970, 5463766, 5854035, 7450590, 8195649, 11708070, 13659415, 16391298, 27318830, 40978245, 81956490]

約数ペア:

[(1, 81956490), (2, 40978245), (3, 27318830), (5, 16391298), (6, 13659415), (7, 11708070), (10, 8195649), (11, 7450590), (14, 5854035), (15, 5463766), (17, 4820970), (21, 3902690), (22, 3725295), (30, 2731883), (33, 2483530), (34, 2410485), (35, 2341614), (42, 1951345), (51, 1606990), (55, 1490118), (66, 1241765), (70, 1170807), (77, 1064370), (85, 964194), (102, 803495), (105, 780538), (110, 745059), (119, 688710), (154, 532185), (165, 496706), (170, 482097), (187, 438270), (210, 390269), (231, 354790), (238, 344355), (255, 321398), (330, 248353), (357, 229570), (374, 219135), (385, 212874), (462, 177395), (510, 160699), (561, 146090), (595, 137742), (714, 114785), (770, 106437), (935, 87654), (1122, 73045), (1155, 70958), (1190, 68871), (1309, 62610), (1785, 45914), (1870, 43827), (2087, 39270), (2310, 35479), (2618, 31305), (2805, 29218), (3570, 22957), (3927, 20870), (4174, 19635), (5610, 14609), (6261, 13090), (6545, 12522), (7854, 10435)]