644813156720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{1396183}}^1$

素因数の和:1396470

約数の個数: 80

約数和(自身を含む): 1570606474752

約数和(自身を除く): 925793318032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 251, 368, 460, 502, 920, 1004, 1255, 1840, 2008, 2510, 4016, 5020, 5773, 10040, 11546, 20080, 23092, 28865, 46184, 57730, 92368, 115460, 230920, 461840, 1396183, 2792366, 5584732, 6980915, 11169464, 13961830, 22338928, 27923660, 32112209, 55847320, 64224418, 111694640, 128448836, 160561045, 256897672, 321122090, 350441933, 513795344, 642244180, 700883866, 1284488360, 1401767732, 1752209665, 2568976720, 2803535464, 3504419330, 5607070928, 7008838660, 8060164459, 14017677320, 16120328918, 28035354640, 32240657836, 40300822295, 64481315672, 80601644590, 128962631344, 161203289180, 322406578360, 644813156720]

約数ペア:

[(1, 644813156720), (2, 322406578360), (4, 161203289180), (5, 128962631344), (8, 80601644590), (10, 64481315672), (16, 40300822295), (20, 32240657836), (23, 28035354640), (40, 16120328918), (46, 14017677320), (80, 8060164459), (92, 7008838660), (115, 5607070928), (184, 3504419330), (230, 2803535464), (251, 2568976720), (368, 1752209665), (460, 1401767732), (502, 1284488360), (920, 700883866), (1004, 642244180), (1255, 513795344), (1840, 350441933), (2008, 321122090), (2510, 256897672), (4016, 160561045), (5020, 128448836), (5773, 111694640), (10040, 64224418), (11546, 55847320), (20080, 32112209), (23092, 27923660), (28865, 22338928), (46184, 13961830), (57730, 11169464), (92368, 6980915), (115460, 5584732), (230920, 2792366), (461840, 1396183)]