1551145990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{757}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 2986398720

約数和(自身を除く): 1435252730

約数列:

[1, 2, 5, 10, 23, 46, 59, 115, 118, 151, 230, 295, 302, 590, 755, 757, 1357, 1510, 1514, 2714, 3473, 3785, 6785, 6946, 7570, 8909, 13570, 17365, 17411, 17818, 34730, 34822, 44545, 44663, 87055, 89090, 89326, 114307, 174110, 204907, 223315, 228614, 409814, 446630, 571535, 1024535, 1027249, 1143070, 2049070, 2054498, 2629061, 5136245, 5258122, 6744113, 10272490, 13145305, 13488226, 26290610, 33720565, 67441130, 155114599, 310229198, 775572995, 1551145990]

約数ペア:

[(1, 1551145990), (2, 775572995), (5, 310229198), (10, 155114599), (23, 67441130), (46, 33720565), (59, 26290610), (115, 13488226), (118, 13145305), (151, 10272490), (230, 6744113), (295, 5258122), (302, 5136245), (590, 2629061), (755, 2054498), (757, 2049070), (1357, 1143070), (1510, 1027249), (1514, 1024535), (2714, 571535), (3473, 446630), (3785, 409814), (6785, 228614), (6946, 223315), (7570, 204907), (8909, 174110), (13570, 114307), (17365, 89326), (17411, 89090), (17818, 87055), (34730, 44663), (34822, 44545)]