64736720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 158775552

約数和(自身を除く): 94038832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 151, 184, 230, 233, 302, 368, 460, 466, 604, 755, 920, 932, 1165, 1208, 1510, 1840, 1864, 2330, 2416, 3020, 3473, 3728, 4660, 5359, 6040, 6946, 9320, 10718, 12080, 13892, 17365, 18640, 21436, 26795, 27784, 34730, 35183, 42872, 53590, 55568, 69460, 70366, 85744, 107180, 138920, 140732, 175915, 214360, 277840, 281464, 351830, 428720, 562928, 703660, 809209, 1407320, 1618418, 2814640, 3236836, 4046045, 6473672, 8092090, 12947344, 16184180, 32368360, 64736720]

約数ペア:

[(1, 64736720), (2, 32368360), (4, 16184180), (5, 12947344), (8, 8092090), (10, 6473672), (16, 4046045), (20, 3236836), (23, 2814640), (40, 1618418), (46, 1407320), (80, 809209), (92, 703660), (115, 562928), (151, 428720), (184, 351830), (230, 281464), (233, 277840), (302, 214360), (368, 175915), (460, 140732), (466, 138920), (604, 107180), (755, 85744), (920, 70366), (932, 69460), (1165, 55568), (1208, 53590), (1510, 42872), (1840, 35183), (1864, 34730), (2330, 27784), (2416, 26795), (3020, 21436), (3473, 18640), (3728, 17365), (4660, 13892), (5359, 12080), (6040, 10718), (6946, 9320)]