131230320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42061}}^1$

素因数の和:42090

約数の個数: 80

約数和(自身を含む): 438117792

約数和(自身を除く): 306887472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 42061, 84122, 126183, 168244, 210305, 252366, 336488, 420610, 504732, 546793, 630915, 672976, 841220, 1009464, 1093586, 1261830, 1640379, 1682440, 2018928, 2187172, 2523660, 2733965, 3280758, 3364880, 4374344, 5047320, 5467930, 6561516, 8201895, 8748688, 10094640, 10935860, 13123032, 16403790, 21871720, 26246064, 32807580, 43743440, 65615160, 131230320]

約数ペア:

[(1, 131230320), (2, 65615160), (3, 43743440), (4, 32807580), (5, 26246064), (6, 21871720), (8, 16403790), (10, 13123032), (12, 10935860), (13, 10094640), (15, 8748688), (16, 8201895), (20, 6561516), (24, 5467930), (26, 5047320), (30, 4374344), (39, 3364880), (40, 3280758), (48, 2733965), (52, 2523660), (60, 2187172), (65, 2018928), (78, 1682440), (80, 1640379), (104, 1261830), (120, 1093586), (130, 1009464), (156, 841220), (195, 672976), (208, 630915), (240, 546793), (260, 504732), (312, 420610), (390, 336488), (520, 252366), (624, 210305), (780, 168244), (1040, 126183), (1560, 84122), (3120, 42061)]