720381408

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{79}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 2002049280

約数和(自身を除く): 1281667872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 47, 48, 79, 86, 94, 96, 129, 141, 158, 172, 188, 237, 258, 282, 316, 344, 376, 474, 516, 564, 632, 688, 752, 948, 1032, 1128, 1264, 1376, 1504, 1896, 2021, 2064, 2209, 2256, 2528, 3397, 3713, 3792, 4042, 4128, 4418, 4512, 6063, 6627, 6794, 7426, 7584, 8084, 8836, 10191, 11139, 12126, 13254, 13588, 14852, 16168, 17672, 20382, 22278, 24252, 26508, 27176, 29704, 32336, 35344, 40764, 44556, 48504, 53016, 54352, 59408, 64672, 70688, 81528, 89112, 94987, 97008, 106032, 108704, 118816, 159659, 163056, 174511, 178224, 189974, 194016, 212064, 284961, 319318, 326112, 349022, 356448, 379948, 478977, 523533, 569922, 638636, 698044, 759896, 957954, 1047066, 1139844, 1277272, 1396088, 1519792, 1915908, 2094132, 2279688, 2554544, 2792176, 3039584, 3831816, 4188264, 4559376, 5109088, 5584352, 7503973, 7663632, 8376528, 9118752, 15007946, 15327264, 16753056, 22511919, 30015892, 45023838, 60031784, 90047676, 120063568, 180095352, 240127136, 360190704, 720381408]

約数ペア:

[(1, 720381408), (2, 360190704), (3, 240127136), (4, 180095352), (6, 120063568), (8, 90047676), (12, 60031784), (16, 45023838), (24, 30015892), (32, 22511919), (43, 16753056), (47, 15327264), (48, 15007946), (79, 9118752), (86, 8376528), (94, 7663632), (96, 7503973), (129, 5584352), (141, 5109088), (158, 4559376), (172, 4188264), (188, 3831816), (237, 3039584), (258, 2792176), (282, 2554544), (316, 2279688), (344, 2094132), (376, 1915908), (474, 1519792), (516, 1396088), (564, 1277272), (632, 1139844), (688, 1047066), (752, 957954), (948, 759896), (1032, 698044), (1128, 638636), (1264, 569922), (1376, 523533), (1504, 478977), (1896, 379948), (2021, 356448), (2064, 349022), (2209, 326112), (2256, 319318), (2528, 284961), (3397, 212064), (3713, 194016), (3792, 189974), (4042, 178224), (4128, 174511), (4418, 163056), (4512, 159659), (6063, 118816), (6627, 108704), (6794, 106032), (7426, 97008), (7584, 94987), (8084, 89112), (8836, 81528), (10191, 70688), (11139, 64672), (12126, 59408), (13254, 54352), (13588, 53016), (14852, 48504), (16168, 44556), (17672, 40764), (20382, 35344), (22278, 32336), (24252, 29704), (26508, 27176)]