21007478160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{788569}}^1$

素因数の和:788625

約数の個数: 120

約数和(自身を含む): 72456965880

約数和(自身を除く): 51449487720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 4440, 5328, 6660, 8880, 13320, 26640, 788569, 1577138, 2365707, 3154276, 3942845, 4731414, 6308552, 7097121, 7885690, 9462828, 11828535, 12617104, 14194242, 15771380, 18925656, 23657070, 28388484, 29177053, 31542760, 35485605, 37851312, 47314140, 56776968, 58354106, 63085520, 70971210, 87531159, 94628280, 113553936, 116708212, 141942420, 145885265, 175062318, 189256560, 233416424, 262593477, 283884840, 291770530, 350124636, 437655795, 466832848, 525186954, 567769680, 583541060, 700249272, 875311590, 1050373908, 1167082120, 1312967385, 1400498544, 1750623180, 2100747816, 2334164240, 2625934770, 3501246360, 4201495632, 5251869540, 7002492720, 10503739080, 21007478160]

約数ペア:

[(1, 21007478160), (2, 10503739080), (3, 7002492720), (4, 5251869540), (5, 4201495632), (6, 3501246360), (8, 2625934770), (9, 2334164240), (10, 2100747816), (12, 1750623180), (15, 1400498544), (16, 1312967385), (18, 1167082120), (20, 1050373908), (24, 875311590), (30, 700249272), (36, 583541060), (37, 567769680), (40, 525186954), (45, 466832848), (48, 437655795), (60, 350124636), (72, 291770530), (74, 283884840), (80, 262593477), (90, 233416424), (111, 189256560), (120, 175062318), (144, 145885265), (148, 141942420), (180, 116708212), (185, 113553936), (222, 94628280), (240, 87531159), (296, 70971210), (333, 63085520), (360, 58354106), (370, 56776968), (444, 47314140), (555, 37851312), (592, 35485605), (666, 31542760), (720, 29177053), (740, 28388484), (888, 23657070), (1110, 18925656), (1332, 15771380), (1480, 14194242), (1665, 12617104), (1776, 11828535), (2220, 9462828), (2664, 7885690), (2960, 7097121), (3330, 6308552), (4440, 4731414), (5328, 3942845), (6660, 3154276), (8880, 2365707), (13320, 1577138), (26640, 788569)]