180000756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:726

約数の個数: 144

約数和(自身を含む): 533245440

約数和(自身を除く): 353244684

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 31, 36, 38, 39, 52, 57, 62, 76, 78, 93, 114, 117, 124, 156, 171, 186, 228, 234, 247, 279, 342, 372, 403, 468, 494, 558, 589, 653, 684, 741, 806, 988, 1116, 1178, 1209, 1306, 1482, 1612, 1767, 1959, 2223, 2356, 2418, 2612, 2964, 3534, 3627, 3918, 4446, 4836, 5301, 5877, 7068, 7254, 7657, 7836, 8489, 8892, 10602, 11754, 12407, 14508, 15314, 16978, 20243, 21204, 22971, 23508, 24814, 25467, 30628, 33956, 37221, 40486, 45942, 49628, 50934, 60729, 68913, 74442, 76401, 80972, 91884, 101868, 111663, 121458, 137826, 148884, 152802, 161291, 182187, 223326, 242916, 263159, 275652, 305604, 322582, 364374, 384617, 446652, 483873, 526318, 645164, 728748, 769234, 789477, 967746, 1052636, 1153851, 1451619, 1538468, 1578954, 1935492, 2307702, 2368431, 2903238, 3157908, 3461553, 4615404, 4736862, 5000021, 5806476, 6923106, 9473724, 10000042, 13846212, 15000063, 20000084, 30000126, 45000189, 60000252, 90000378, 180000756]

約数ペア:

[(1, 180000756), (2, 90000378), (3, 60000252), (4, 45000189), (6, 30000126), (9, 20000084), (12, 15000063), (13, 13846212), (18, 10000042), (19, 9473724), (26, 6923106), (31, 5806476), (36, 5000021), (38, 4736862), (39, 4615404), (52, 3461553), (57, 3157908), (62, 2903238), (76, 2368431), (78, 2307702), (93, 1935492), (114, 1578954), (117, 1538468), (124, 1451619), (156, 1153851), (171, 1052636), (186, 967746), (228, 789477), (234, 769234), (247, 728748), (279, 645164), (342, 526318), (372, 483873), (403, 446652), (468, 384617), (494, 364374), (558, 322582), (589, 305604), (653, 275652), (684, 263159), (741, 242916), (806, 223326), (988, 182187), (1116, 161291), (1178, 152802), (1209, 148884), (1306, 137826), (1482, 121458), (1612, 111663), (1767, 101868), (1959, 91884), (2223, 80972), (2356, 76401), (2418, 74442), (2612, 68913), (2964, 60729), (3534, 50934), (3627, 49628), (3918, 45942), (4446, 40486), (4836, 37221), (5301, 33956), (5877, 30628), (7068, 25467), (7254, 24814), (7657, 23508), (7836, 22971), (8489, 21204), (8892, 20243), (10602, 16978), (11754, 15314), (12407, 14508)]