870813225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:276

約数の個数: 108

約数和(自身を含む): 1680374592

約数和(自身を除く): 809561367

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 71, 75, 95, 151, 171, 213, 225, 285, 355, 361, 453, 475, 639, 755, 855, 1065, 1083, 1349, 1359, 1425, 1775, 1805, 2265, 2869, 3195, 3249, 3775, 4047, 4275, 5325, 5415, 6745, 6795, 8607, 9025, 10721, 11325, 12141, 14345, 15975, 16245, 20235, 25631, 25821, 27075, 32163, 33725, 33975, 43035, 53605, 54511, 60705, 71725, 76893, 81225, 96489, 101175, 128155, 129105, 160815, 163533, 203699, 215175, 230679, 268025, 272555, 303525, 384465, 482445, 490599, 611097, 640775, 645525, 804075, 817665, 1018495, 1153395, 1362775, 1833291, 1922325, 2412225, 2452995, 3055485, 3870281, 4088325, 5092475, 5766975, 9166455, 11610843, 12264975, 15277425, 19351405, 34832529, 45832275, 58054215, 96757025, 174162645, 290271075, 870813225]

約数ペア:

[(1, 870813225), (3, 290271075), (5, 174162645), (9, 96757025), (15, 58054215), (19, 45832275), (25, 34832529), (45, 19351405), (57, 15277425), (71, 12264975), (75, 11610843), (95, 9166455), (151, 5766975), (171, 5092475), (213, 4088325), (225, 3870281), (285, 3055485), (355, 2452995), (361, 2412225), (453, 1922325), (475, 1833291), (639, 1362775), (755, 1153395), (855, 1018495), (1065, 817665), (1083, 804075), (1349, 645525), (1359, 640775), (1425, 611097), (1775, 490599), (1805, 482445), (2265, 384465), (2869, 303525), (3195, 272555), (3249, 268025), (3775, 230679), (4047, 215175), (4275, 203699), (5325, 163533), (5415, 160815), (6745, 129105), (6795, 128155), (8607, 101175), (9025, 96489), (10721, 81225), (11325, 76893), (12141, 71725), (14345, 60705), (15975, 54511), (16245, 53605), (20235, 43035), (25631, 33975), (25821, 33725), (27075, 32163)]