15691200640

素因数分解:

$2^7\times 5^1\times {\mathrm{331}}^1\times {\mathrm{74071}}^1$

素因数の和:74421

約数の個数: 64

約数和(自身を含む): 37625613120

約数和(自身を除く): 21934412480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 331, 640, 662, 1324, 1655, 2648, 3310, 5296, 6620, 10592, 13240, 21184, 26480, 42368, 52960, 74071, 105920, 148142, 211840, 296284, 370355, 592568, 740710, 1185136, 1481420, 2370272, 2962840, 4740544, 5925680, 9481088, 11851360, 23702720, 24517501, 47405440, 49035002, 98070004, 122587505, 196140008, 245175010, 392280016, 490350020, 784560032, 980700040, 1569120064, 1961400080, 3138240128, 3922800160, 7845600320, 15691200640]

約数ペア:

[(1, 15691200640), (2, 7845600320), (4, 3922800160), (5, 3138240128), (8, 1961400080), (10, 1569120064), (16, 980700040), (20, 784560032), (32, 490350020), (40, 392280016), (64, 245175010), (80, 196140008), (128, 122587505), (160, 98070004), (320, 49035002), (331, 47405440), (640, 24517501), (662, 23702720), (1324, 11851360), (1655, 9481088), (2648, 5925680), (3310, 4740544), (5296, 2962840), (6620, 2370272), (10592, 1481420), (13240, 1185136), (21184, 740710), (26480, 592568), (42368, 370355), (52960, 296284), (74071, 211840), (105920, 148142)]