81342030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1582

約数の個数: 128

約数和(自身を含む): 254140416

約数和(自身を除く): 172798386

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 23, 30, 33, 35, 42, 46, 55, 66, 69, 70, 77, 105, 110, 115, 138, 154, 161, 165, 210, 230, 231, 253, 322, 330, 345, 385, 462, 483, 506, 690, 759, 770, 805, 966, 1155, 1265, 1518, 1531, 1610, 1771, 2310, 2415, 2530, 3062, 3542, 3795, 4593, 4830, 5313, 7590, 7655, 8855, 9186, 10626, 10717, 15310, 16841, 17710, 21434, 22965, 26565, 32151, 33682, 35213, 45930, 50523, 53130, 53585, 64302, 70426, 84205, 101046, 105639, 107170, 117887, 160755, 168410, 176065, 211278, 235774, 246491, 252615, 321510, 352130, 353661, 387343, 492982, 505230, 528195, 589435, 707322, 739473, 774686, 1056390, 1162029, 1178870, 1232455, 1478946, 1768305, 1936715, 2324058, 2464910, 2711401, 3536610, 3697365, 3873430, 5422802, 5810145, 7394730, 8134203, 11620290, 13557005, 16268406, 27114010, 40671015, 81342030]

約数ペア:

[(1, 81342030), (2, 40671015), (3, 27114010), (5, 16268406), (6, 13557005), (7, 11620290), (10, 8134203), (11, 7394730), (14, 5810145), (15, 5422802), (21, 3873430), (22, 3697365), (23, 3536610), (30, 2711401), (33, 2464910), (35, 2324058), (42, 1936715), (46, 1768305), (55, 1478946), (66, 1232455), (69, 1178870), (70, 1162029), (77, 1056390), (105, 774686), (110, 739473), (115, 707322), (138, 589435), (154, 528195), (161, 505230), (165, 492982), (210, 387343), (230, 353661), (231, 352130), (253, 321510), (322, 252615), (330, 246491), (345, 235774), (385, 211278), (462, 176065), (483, 168410), (506, 160755), (690, 117887), (759, 107170), (770, 105639), (805, 101046), (966, 84205), (1155, 70426), (1265, 64302), (1518, 53585), (1531, 53130), (1610, 50523), (1771, 45930), (2310, 35213), (2415, 33682), (2530, 32151), (3062, 26565), (3542, 22965), (3795, 21434), (4593, 17710), (4830, 16841), (5313, 15310), (7590, 10717), (7655, 10626), (8855, 9186)]