2690640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 9372168

約数和(自身を除く): 6681528

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, 101, 111, 120, 144, 148, 180, 185, 202, 222, 240, 296, 303, 333, 360, 370, 404, 444, 505, 555, 592, 606, 666, 720, 740, 808, 888, 909, 1010, 1110, 1212, 1332, 1480, 1515, 1616, 1665, 1776, 1818, 2020, 2220, 2424, 2664, 2960, 3030, 3330, 3636, 3737, 4040, 4440, 4545, 4848, 5328, 6060, 6660, 7272, 7474, 8080, 8880, 9090, 11211, 12120, 13320, 14544, 14948, 18180, 18685, 22422, 24240, 26640, 29896, 33633, 36360, 37370, 44844, 56055, 59792, 67266, 72720, 74740, 89688, 112110, 134532, 149480, 168165, 179376, 224220, 269064, 298960, 336330, 448440, 538128, 672660, 896880, 1345320, 2690640]

約数ペア:

[(1, 2690640), (2, 1345320), (3, 896880), (4, 672660), (5, 538128), (6, 448440), (8, 336330), (9, 298960), (10, 269064), (12, 224220), (15, 179376), (16, 168165), (18, 149480), (20, 134532), (24, 112110), (30, 89688), (36, 74740), (37, 72720), (40, 67266), (45, 59792), (48, 56055), (60, 44844), (72, 37370), (74, 36360), (80, 33633), (90, 29896), (101, 26640), (111, 24240), (120, 22422), (144, 18685), (148, 18180), (180, 14948), (185, 14544), (202, 13320), (222, 12120), (240, 11211), (296, 9090), (303, 8880), (333, 8080), (360, 7474), (370, 7272), (404, 6660), (444, 6060), (505, 5328), (555, 4848), (592, 4545), (606, 4440), (666, 4040), (720, 3737), (740, 3636), (808, 3330), (888, 3030), (909, 2960), (1010, 2664), (1110, 2424), (1212, 2220), (1332, 2020), (1480, 1818), (1515, 1776), (1616, 1665)]