71468640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1653

約数の個数: 144

約数和(自身を含む): 251911296

約数和(自身を除く): 180442656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1601, 1860, 2232, 2480, 2790, 2976, 3202, 3720, 4464, 4803, 4960, 5580, 6404, 7440, 8005, 8928, 9606, 11160, 12808, 14409, 14880, 16010, 19212, 22320, 24015, 25616, 28818, 32020, 38424, 44640, 48030, 49631, 51232, 57636, 64040, 72045, 76848, 96060, 99262, 115272, 128080, 144090, 148893, 153696, 192120, 198524, 230544, 248155, 256160, 288180, 297786, 384240, 397048, 446679, 461088, 496310, 576360, 595572, 744465, 768480, 794096, 893358, 992620, 1152720, 1191144, 1488930, 1588192, 1786716, 1985240, 2233395, 2305440, 2382288, 2977860, 3573432, 3970480, 4466790, 4764576, 5955720, 7146864, 7940960, 8933580, 11911440, 14293728, 17867160, 23822880, 35734320, 71468640]

約数ペア:

[(1, 71468640), (2, 35734320), (3, 23822880), (4, 17867160), (5, 14293728), (6, 11911440), (8, 8933580), (9, 7940960), (10, 7146864), (12, 5955720), (15, 4764576), (16, 4466790), (18, 3970480), (20, 3573432), (24, 2977860), (30, 2382288), (31, 2305440), (32, 2233395), (36, 1985240), (40, 1786716), (45, 1588192), (48, 1488930), (60, 1191144), (62, 1152720), (72, 992620), (80, 893358), (90, 794096), (93, 768480), (96, 744465), (120, 595572), (124, 576360), (144, 496310), (155, 461088), (160, 446679), (180, 397048), (186, 384240), (240, 297786), (248, 288180), (279, 256160), (288, 248155), (310, 230544), (360, 198524), (372, 192120), (465, 153696), (480, 148893), (496, 144090), (558, 128080), (620, 115272), (720, 99262), (744, 96060), (930, 76848), (992, 72045), (1116, 64040), (1240, 57636), (1395, 51232), (1440, 49631), (1488, 48030), (1601, 44640), (1860, 38424), (2232, 32020), (2480, 28818), (2790, 25616), (2976, 24015), (3202, 22320), (3720, 19212), (4464, 16010), (4803, 14880), (4960, 14409), (5580, 12808), (6404, 11160), (7440, 9606), (8005, 8928)]