8758620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 30270240

約数和(自身を除く): 21511620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 197, 228, 234, 247, 260, 285, 342, 380, 390, 394, 468, 494, 570, 585, 591, 684, 741, 780, 788, 855, 985, 988, 1140, 1170, 1182, 1235, 1482, 1710, 1773, 1970, 2223, 2340, 2364, 2470, 2561, 2955, 2964, 3420, 3546, 3705, 3743, 3940, 4446, 4940, 5122, 5910, 7092, 7410, 7486, 7683, 8865, 8892, 10244, 11115, 11229, 11820, 12805, 14820, 14972, 15366, 17730, 18715, 22230, 22458, 23049, 25610, 30732, 33687, 35460, 37430, 38415, 44460, 44916, 46098, 48659, 51220, 56145, 67374, 74860, 76830, 92196, 97318, 112290, 115245, 134748, 145977, 153660, 168435, 194636, 224580, 230490, 243295, 291954, 336870, 437931, 460980, 486590, 583908, 673740, 729885, 875862, 973180, 1459770, 1751724, 2189655, 2919540, 4379310, 8758620]

約数ペア:

[(1, 8758620), (2, 4379310), (3, 2919540), (4, 2189655), (5, 1751724), (6, 1459770), (9, 973180), (10, 875862), (12, 729885), (13, 673740), (15, 583908), (18, 486590), (19, 460980), (20, 437931), (26, 336870), (30, 291954), (36, 243295), (38, 230490), (39, 224580), (45, 194636), (52, 168435), (57, 153660), (60, 145977), (65, 134748), (76, 115245), (78, 112290), (90, 97318), (95, 92196), (114, 76830), (117, 74860), (130, 67374), (156, 56145), (171, 51220), (180, 48659), (190, 46098), (195, 44916), (197, 44460), (228, 38415), (234, 37430), (247, 35460), (260, 33687), (285, 30732), (342, 25610), (380, 23049), (390, 22458), (394, 22230), (468, 18715), (494, 17730), (570, 15366), (585, 14972), (591, 14820), (684, 12805), (741, 11820), (780, 11229), (788, 11115), (855, 10244), (985, 8892), (988, 8865), (1140, 7683), (1170, 7486), (1182, 7410), (1235, 7092), (1482, 5910), (1710, 5122), (1773, 4940), (1970, 4446), (2223, 3940), (2340, 3743), (2364, 3705), (2470, 3546), (2561, 3420), (2955, 2964)]