28431540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1478

約数の個数: 96

約数和(自身を含む): 90908160

約数和(自身を除く): 62476620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1423, 1665, 1998, 2220, 2846, 3330, 3996, 4269, 4995, 5692, 6660, 7115, 8538, 9990, 12807, 14230, 17076, 19980, 21345, 25614, 28460, 38421, 42690, 51228, 52651, 64035, 76842, 85380, 105302, 128070, 153684, 157953, 192105, 210604, 256140, 263255, 315906, 384210, 473859, 526510, 631812, 768420, 789765, 947718, 1053020, 1421577, 1579530, 1895436, 2369295, 2843154, 3159060, 4738590, 5686308, 7107885, 9477180, 14215770, 28431540]

約数ペア:

[(1, 28431540), (2, 14215770), (3, 9477180), (4, 7107885), (5, 5686308), (6, 4738590), (9, 3159060), (10, 2843154), (12, 2369295), (15, 1895436), (18, 1579530), (20, 1421577), (27, 1053020), (30, 947718), (36, 789765), (37, 768420), (45, 631812), (54, 526510), (60, 473859), (74, 384210), (90, 315906), (108, 263255), (111, 256140), (135, 210604), (148, 192105), (180, 157953), (185, 153684), (222, 128070), (270, 105302), (333, 85380), (370, 76842), (444, 64035), (540, 52651), (555, 51228), (666, 42690), (740, 38421), (999, 28460), (1110, 25614), (1332, 21345), (1423, 19980), (1665, 17076), (1998, 14230), (2220, 12807), (2846, 9990), (3330, 8538), (3996, 7115), (4269, 6660), (4995, 5692)]