13404860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 33817056

約数和(自身を除く): 20412196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 181, 230, 322, 362, 460, 529, 644, 724, 805, 905, 1058, 1267, 1610, 1810, 2116, 2534, 2645, 3220, 3620, 3703, 4163, 5068, 5290, 6335, 7406, 8326, 10580, 12670, 14812, 16652, 18515, 20815, 25340, 29141, 37030, 41630, 58282, 74060, 83260, 95749, 116564, 145705, 191498, 291410, 382996, 478745, 582820, 670243, 957490, 1340486, 1914980, 2680972, 3351215, 6702430, 13404860]

約数ペア:

[(1, 13404860), (2, 6702430), (4, 3351215), (5, 2680972), (7, 1914980), (10, 1340486), (14, 957490), (20, 670243), (23, 582820), (28, 478745), (35, 382996), (46, 291410), (70, 191498), (92, 145705), (115, 116564), (140, 95749), (161, 83260), (181, 74060), (230, 58282), (322, 41630), (362, 37030), (460, 29141), (529, 25340), (644, 20815), (724, 18515), (805, 16652), (905, 14812), (1058, 12670), (1267, 10580), (1610, 8326), (1810, 7406), (2116, 6335), (2534, 5290), (2645, 5068), (3220, 4163), (3620, 3703)]