181381992

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 525312000

約数和(自身を除く): 343930008

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 37, 44, 62, 66, 74, 88, 93, 111, 124, 132, 148, 186, 222, 248, 264, 296, 341, 372, 407, 444, 599, 682, 744, 814, 888, 1023, 1147, 1198, 1221, 1364, 1628, 1797, 2046, 2294, 2396, 2442, 2728, 3256, 3441, 3594, 4092, 4588, 4792, 4884, 6589, 6882, 7188, 8184, 9176, 9768, 12617, 13178, 13764, 14376, 18569, 19767, 22163, 25234, 26356, 27528, 37138, 37851, 39534, 44326, 50468, 52712, 55707, 66489, 74276, 75702, 79068, 88652, 100936, 111414, 132978, 148552, 151404, 158136, 177304, 204259, 222828, 243793, 265956, 302808, 408518, 445656, 487586, 531912, 612777, 687053, 731379, 817036, 975172, 1225554, 1374106, 1462758, 1634072, 1950344, 2061159, 2451108, 2748212, 2925516, 4122318, 4902216, 5496424, 5851032, 7557583, 8244636, 15115166, 16489272, 22672749, 30230332, 45345498, 60460664, 90690996, 181381992]

約数ペア:

[(1, 181381992), (2, 90690996), (3, 60460664), (4, 45345498), (6, 30230332), (8, 22672749), (11, 16489272), (12, 15115166), (22, 8244636), (24, 7557583), (31, 5851032), (33, 5496424), (37, 4902216), (44, 4122318), (62, 2925516), (66, 2748212), (74, 2451108), (88, 2061159), (93, 1950344), (111, 1634072), (124, 1462758), (132, 1374106), (148, 1225554), (186, 975172), (222, 817036), (248, 731379), (264, 687053), (296, 612777), (341, 531912), (372, 487586), (407, 445656), (444, 408518), (599, 302808), (682, 265956), (744, 243793), (814, 222828), (888, 204259), (1023, 177304), (1147, 158136), (1198, 151404), (1221, 148552), (1364, 132978), (1628, 111414), (1797, 100936), (2046, 88652), (2294, 79068), (2396, 75702), (2442, 74276), (2728, 66489), (3256, 55707), (3441, 52712), (3594, 50468), (4092, 44326), (4588, 39534), (4792, 37851), (4884, 37138), (6589, 27528), (6882, 26356), (7188, 25234), (8184, 22163), (9176, 19767), (9768, 18569), (12617, 14376), (13178, 13764)]