1640964060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{246391}}^1$

素因数の和:246443

約数の個数: 72

約数和(自身を含む): 5112141216

約数和(自身を除く): 3471177156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 246391, 492782, 739173, 985564, 1231955, 1478346, 2217519, 2463910, 2956692, 3695865, 4435038, 4927820, 7391730, 8870076, 9116467, 11087595, 14783460, 18232934, 22175190, 27349401, 36465868, 44350380, 45582335, 54698802, 82048203, 91164670, 109397604, 136747005, 164096406, 182329340, 273494010, 328192812, 410241015, 546988020, 820482030, 1640964060]

約数ペア:

[(1, 1640964060), (2, 820482030), (3, 546988020), (4, 410241015), (5, 328192812), (6, 273494010), (9, 182329340), (10, 164096406), (12, 136747005), (15, 109397604), (18, 91164670), (20, 82048203), (30, 54698802), (36, 45582335), (37, 44350380), (45, 36465868), (60, 27349401), (74, 22175190), (90, 18232934), (111, 14783460), (148, 11087595), (180, 9116467), (185, 8870076), (222, 7391730), (333, 4927820), (370, 4435038), (444, 3695865), (555, 2956692), (666, 2463910), (740, 2217519), (1110, 1478346), (1332, 1231955), (1665, 985564), (2220, 739173), (3330, 492782), (6660, 246391)]