1569123740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 3558105600

約数和(自身を除く): 1988981860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 139, 190, 244, 278, 305, 380, 487, 556, 610, 695, 974, 1159, 1220, 1390, 1948, 2318, 2435, 2641, 2780, 4636, 4870, 5282, 5795, 8479, 9253, 9740, 10564, 11590, 13205, 16958, 18506, 23180, 26410, 29707, 33916, 37012, 42395, 46265, 52820, 59414, 67693, 84790, 92530, 118828, 135386, 148535, 161101, 169580, 185060, 270772, 297070, 322202, 338465, 564433, 594140, 644404, 676930, 805505, 1128866, 1286167, 1353860, 1611010, 2257732, 2572334, 2822165, 3222020, 4129273, 5144668, 5644330, 6430835, 8258546, 11288660, 12861670, 16517092, 20646365, 25723340, 41292730, 78456187, 82585460, 156912374, 313824748, 392280935, 784561870, 1569123740]

約数ペア:

[(1, 1569123740), (2, 784561870), (4, 392280935), (5, 313824748), (10, 156912374), (19, 82585460), (20, 78456187), (38, 41292730), (61, 25723340), (76, 20646365), (95, 16517092), (122, 12861670), (139, 11288660), (190, 8258546), (244, 6430835), (278, 5644330), (305, 5144668), (380, 4129273), (487, 3222020), (556, 2822165), (610, 2572334), (695, 2257732), (974, 1611010), (1159, 1353860), (1220, 1286167), (1390, 1128866), (1948, 805505), (2318, 676930), (2435, 644404), (2641, 594140), (2780, 564433), (4636, 338465), (4870, 322202), (5282, 297070), (5795, 270772), (8479, 185060), (9253, 169580), (9740, 161101), (10564, 148535), (11590, 135386), (13205, 118828), (16958, 92530), (18506, 84790), (23180, 67693), (26410, 59414), (29707, 52820), (33916, 46265), (37012, 42395)]