71539020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{8111}}^1$

素因数の和:8140

約数の個数: 108

約数和(自身を含む): 252461664

約数和(自身を除く): 180922644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8111, 8820, 16222, 24333, 32444, 40555, 48666, 56777, 72999, 81110, 97332, 113554, 121665, 145998, 162220, 170331, 227108, 243330, 283885, 291996, 340662, 364995, 397439, 486660, 510993, 567770, 681324, 729990, 794878, 851655, 1021986, 1135540, 1192317, 1459980, 1589756, 1703310, 1987195, 2043972, 2384634, 2554965, 3406620, 3576951, 3974390, 4769268, 5109930, 5961585, 7153902, 7948780, 10219860, 11923170, 14307804, 17884755, 23846340, 35769510, 71539020]

約数ペア:

[(1, 71539020), (2, 35769510), (3, 23846340), (4, 17884755), (5, 14307804), (6, 11923170), (7, 10219860), (9, 7948780), (10, 7153902), (12, 5961585), (14, 5109930), (15, 4769268), (18, 3974390), (20, 3576951), (21, 3406620), (28, 2554965), (30, 2384634), (35, 2043972), (36, 1987195), (42, 1703310), (45, 1589756), (49, 1459980), (60, 1192317), (63, 1135540), (70, 1021986), (84, 851655), (90, 794878), (98, 729990), (105, 681324), (126, 567770), (140, 510993), (147, 486660), (180, 397439), (196, 364995), (210, 340662), (245, 291996), (252, 283885), (294, 243330), (315, 227108), (420, 170331), (441, 162220), (490, 145998), (588, 121665), (630, 113554), (735, 97332), (882, 81110), (980, 72999), (1260, 56777), (1470, 48666), (1764, 40555), (2205, 32444), (2940, 24333), (4410, 16222), (8111, 8820)]