72729420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^2$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 210308112

約数和(自身を除く): 137578692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 181, 185, 222, 362, 370, 444, 543, 555, 724, 740, 905, 1086, 1110, 1810, 2172, 2220, 2715, 3620, 5430, 6697, 10860, 13394, 20091, 26788, 32761, 33485, 40182, 65522, 66970, 80364, 98283, 100455, 131044, 133940, 163805, 196566, 200910, 327610, 393132, 401820, 491415, 655220, 982830, 1212157, 1965660, 2424314, 3636471, 4848628, 6060785, 7272942, 12121570, 14545884, 18182355, 24243140, 36364710, 72729420]

約数ペア:

[(1, 72729420), (2, 36364710), (3, 24243140), (4, 18182355), (5, 14545884), (6, 12121570), (10, 7272942), (12, 6060785), (15, 4848628), (20, 3636471), (30, 2424314), (37, 1965660), (60, 1212157), (74, 982830), (111, 655220), (148, 491415), (181, 401820), (185, 393132), (222, 327610), (362, 200910), (370, 196566), (444, 163805), (543, 133940), (555, 131044), (724, 100455), (740, 98283), (905, 80364), (1086, 66970), (1110, 65522), (1810, 40182), (2172, 33485), (2220, 32761), (2715, 26788), (3620, 20091), (5430, 13394), (6697, 10860)]