328874240

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11171}}^1$

素因数の和:11215

約数の個数: 72

約数和(自身を含む): 822080448

約数和(自身を除く): 493206208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 11171, 14720, 22342, 29440, 44684, 55855, 89368, 111710, 178736, 223420, 256933, 357472, 446840, 513866, 714944, 893680, 1027732, 1284665, 1429888, 1787360, 2055464, 2569330, 2859776, 3574720, 4110928, 5138660, 7149440, 8221856, 10277320, 14298880, 16443712, 20554640, 32887424, 41109280, 65774848, 82218560, 164437120, 328874240]

約数ペア:

[(1, 328874240), (2, 164437120), (4, 82218560), (5, 65774848), (8, 41109280), (10, 32887424), (16, 20554640), (20, 16443712), (23, 14298880), (32, 10277320), (40, 8221856), (46, 7149440), (64, 5138660), (80, 4110928), (92, 3574720), (115, 2859776), (128, 2569330), (160, 2055464), (184, 1787360), (230, 1429888), (256, 1284665), (320, 1027732), (368, 893680), (460, 714944), (640, 513866), (736, 446840), (920, 357472), (1280, 256933), (1472, 223420), (1840, 178736), (2944, 111710), (3680, 89368), (5888, 55855), (7360, 44684), (11171, 29440), (14720, 22342)]