258231240

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:914

約数の個数: 192

約数和(自身を含む): 899458560

約数和(自身を除く): 641227320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 243, 248, 270, 279, 310, 324, 360, 372, 405, 465, 486, 540, 558, 620, 648, 744, 810, 837, 857, 930, 972, 1080, 1116, 1215, 1240, 1395, 1620, 1674, 1714, 1860, 1944, 2232, 2430, 2511, 2571, 2790, 3240, 3348, 3428, 3720, 4185, 4285, 4860, 5022, 5142, 5580, 6696, 6856, 7533, 7713, 8370, 8570, 9720, 10044, 10284, 11160, 12555, 12855, 15066, 15426, 16740, 17140, 20088, 20568, 23139, 25110, 25710, 26567, 30132, 30852, 33480, 34280, 37665, 38565, 46278, 50220, 51420, 53134, 60264, 61704, 69417, 75330, 77130, 79701, 92556, 100440, 102840, 106268, 115695, 132835, 138834, 150660, 154260, 159402, 185112, 208251, 212536, 231390, 239103, 265670, 277668, 301320, 308520, 318804, 347085, 398505, 416502, 462780, 478206, 531340, 555336, 637608, 694170, 717309, 797010, 833004, 925560, 956412, 1041255, 1062680, 1195515, 1388340, 1434618, 1594020, 1666008, 1912824, 2082510, 2151927, 2391030, 2776680, 2869236, 3188040, 3586545, 4165020, 4303854, 4782060, 5738472, 6455781, 7173090, 8330040, 8607708, 9564120, 10759635, 12911562, 14346180, 17215416, 21519270, 25823124, 28692360, 32278905, 43038540, 51646248, 64557810, 86077080, 129115620, 258231240]

約数ペア:

[(1, 258231240), (2, 129115620), (3, 86077080), (4, 64557810), (5, 51646248), (6, 43038540), (8, 32278905), (9, 28692360), (10, 25823124), (12, 21519270), (15, 17215416), (18, 14346180), (20, 12911562), (24, 10759635), (27, 9564120), (30, 8607708), (31, 8330040), (36, 7173090), (40, 6455781), (45, 5738472), (54, 4782060), (60, 4303854), (62, 4165020), (72, 3586545), (81, 3188040), (90, 2869236), (93, 2776680), (108, 2391030), (120, 2151927), (124, 2082510), (135, 1912824), (155, 1666008), (162, 1594020), (180, 1434618), (186, 1388340), (216, 1195515), (243, 1062680), (248, 1041255), (270, 956412), (279, 925560), (310, 833004), (324, 797010), (360, 717309), (372, 694170), (405, 637608), (465, 555336), (486, 531340), (540, 478206), (558, 462780), (620, 416502), (648, 398505), (744, 347085), (810, 318804), (837, 308520), (857, 301320), (930, 277668), (972, 265670), (1080, 239103), (1116, 231390), (1215, 212536), (1240, 208251), (1395, 185112), (1620, 159402), (1674, 154260), (1714, 150660), (1860, 138834), (1944, 132835), (2232, 115695), (2430, 106268), (2511, 102840), (2571, 100440), (2790, 92556), (3240, 79701), (3348, 77130), (3428, 75330), (3720, 69417), (4185, 61704), (4285, 60264), (4860, 53134), (5022, 51420), (5142, 50220), (5580, 46278), (6696, 38565), (6856, 37665), (7533, 34280), (7713, 33480), (8370, 30852), (8570, 30132), (9720, 26567), (10044, 25710), (10284, 25110), (11160, 23139), (12555, 20568), (12855, 20088), (15066, 17140), (15426, 16740)]