68220880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9371}}^1$

素因数の和:9404

約数の個数: 80

約数和(自身を含む): 195237504

約数和(自身を除く): 127016624

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9371, 18742, 37484, 46855, 65597, 74968, 93710, 121823, 131194, 149936, 187420, 243646, 262388, 327985, 374840, 487292, 524776, 609115, 655970, 749680, 852761, 974584, 1049552, 1218230, 1311940, 1705522, 1949168, 2436460, 2623880, 3411044, 4263805, 4872920, 5247760, 6822088, 8527610, 9745840, 13644176, 17055220, 34110440, 68220880]

約数ペア:

[(1, 68220880), (2, 34110440), (4, 17055220), (5, 13644176), (7, 9745840), (8, 8527610), (10, 6822088), (13, 5247760), (14, 4872920), (16, 4263805), (20, 3411044), (26, 2623880), (28, 2436460), (35, 1949168), (40, 1705522), (52, 1311940), (56, 1218230), (65, 1049552), (70, 974584), (80, 852761), (91, 749680), (104, 655970), (112, 609115), (130, 524776), (140, 487292), (182, 374840), (208, 327985), (260, 262388), (280, 243646), (364, 187420), (455, 149936), (520, 131194), (560, 121823), (728, 93710), (910, 74968), (1040, 65597), (1456, 46855), (1820, 37484), (3640, 18742), (7280, 9371)]