81826236

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 239016960

約数和(自身を除く): 157190724

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 31, 34, 36, 38, 51, 57, 62, 68, 76, 93, 102, 114, 124, 153, 171, 186, 204, 227, 228, 279, 306, 323, 342, 372, 454, 527, 558, 589, 612, 646, 681, 684, 908, 969, 1054, 1116, 1178, 1292, 1362, 1581, 1767, 1938, 2043, 2108, 2356, 2724, 2907, 3162, 3534, 3859, 3876, 4086, 4313, 4743, 5301, 5814, 6324, 7037, 7068, 7718, 8172, 8626, 9486, 10013, 10602, 11577, 11628, 12939, 14074, 15436, 17252, 18972, 20026, 21111, 21204, 23154, 25878, 28148, 30039, 34731, 38817, 40052, 42222, 46308, 51756, 60078, 63333, 69462, 73321, 77634, 84444, 90117, 119629, 120156, 126666, 133703, 138924, 146642, 155268, 180234, 219963, 239258, 253332, 267406, 293284, 358887, 360468, 401109, 439926, 478516, 534812, 659889, 717774, 802218, 879852, 1076661, 1203327, 1319778, 1435548, 1604436, 2153322, 2272951, 2406654, 2639556, 4306644, 4545902, 4813308, 6818853, 9091804, 13637706, 20456559, 27275412, 40913118, 81826236]

約数ペア:

[(1, 81826236), (2, 40913118), (3, 27275412), (4, 20456559), (6, 13637706), (9, 9091804), (12, 6818853), (17, 4813308), (18, 4545902), (19, 4306644), (31, 2639556), (34, 2406654), (36, 2272951), (38, 2153322), (51, 1604436), (57, 1435548), (62, 1319778), (68, 1203327), (76, 1076661), (93, 879852), (102, 802218), (114, 717774), (124, 659889), (153, 534812), (171, 478516), (186, 439926), (204, 401109), (227, 360468), (228, 358887), (279, 293284), (306, 267406), (323, 253332), (342, 239258), (372, 219963), (454, 180234), (527, 155268), (558, 146642), (589, 138924), (612, 133703), (646, 126666), (681, 120156), (684, 119629), (908, 90117), (969, 84444), (1054, 77634), (1116, 73321), (1178, 69462), (1292, 63333), (1362, 60078), (1581, 51756), (1767, 46308), (1938, 42222), (2043, 40052), (2108, 38817), (2356, 34731), (2724, 30039), (2907, 28148), (3162, 25878), (3534, 23154), (3859, 21204), (3876, 21111), (4086, 20026), (4313, 18972), (4743, 17252), (5301, 15436), (5814, 14074), (6324, 12939), (7037, 11628), (7068, 11577), (7718, 10602), (8172, 10013), (8626, 9486)]