1687676640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{270461}}^1$

素因数の和:270492

約数の個数: 96

約数和(自身を含む): 5725139616

約数和(自身を除く): 4037462976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 270461, 540922, 811383, 1081844, 1352305, 1622766, 2163688, 2704610, 3245532, 3515993, 4056915, 4327376, 5409220, 6491064, 7031986, 8113830, 8654752, 10547979, 10818440, 12982128, 14063972, 16227660, 17579965, 21095958, 21636880, 25964256, 28127944, 32455320, 35159930, 42191916, 43273760, 52739895, 56255888, 64910640, 70319860, 84383832, 105479790, 112511776, 129821280, 140639720, 168767664, 210959580, 281279440, 337535328, 421919160, 562558880, 843838320, 1687676640]

約数ペア:

[(1, 1687676640), (2, 843838320), (3, 562558880), (4, 421919160), (5, 337535328), (6, 281279440), (8, 210959580), (10, 168767664), (12, 140639720), (13, 129821280), (15, 112511776), (16, 105479790), (20, 84383832), (24, 70319860), (26, 64910640), (30, 56255888), (32, 52739895), (39, 43273760), (40, 42191916), (48, 35159930), (52, 32455320), (60, 28127944), (65, 25964256), (78, 21636880), (80, 21095958), (96, 17579965), (104, 16227660), (120, 14063972), (130, 12982128), (156, 10818440), (160, 10547979), (195, 8654752), (208, 8113830), (240, 7031986), (260, 6491064), (312, 5409220), (390, 4327376), (416, 4056915), (480, 3515993), (520, 3245532), (624, 2704610), (780, 2163688), (1040, 1622766), (1248, 1352305), (1560, 1081844), (2080, 811383), (3120, 540922), (6240, 270461)]