2664540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 8216208

約数和(自身を除く): 5551668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 131, 180, 226, 262, 339, 393, 452, 524, 565, 655, 678, 786, 1017, 1130, 1179, 1310, 1356, 1572, 1695, 1965, 2034, 2260, 2358, 2620, 3390, 3930, 4068, 4716, 5085, 5895, 6780, 7860, 10170, 11790, 14803, 20340, 23580, 29606, 44409, 59212, 74015, 88818, 133227, 148030, 177636, 222045, 266454, 296060, 444090, 532908, 666135, 888180, 1332270, 2664540]

約数ペア:

[(1, 2664540), (2, 1332270), (3, 888180), (4, 666135), (5, 532908), (6, 444090), (9, 296060), (10, 266454), (12, 222045), (15, 177636), (18, 148030), (20, 133227), (30, 88818), (36, 74015), (45, 59212), (60, 44409), (90, 29606), (113, 23580), (131, 20340), (180, 14803), (226, 11790), (262, 10170), (339, 7860), (393, 6780), (452, 5895), (524, 5085), (565, 4716), (655, 4068), (678, 3930), (786, 3390), (1017, 2620), (1130, 2358), (1179, 2260), (1310, 2034), (1356, 1965), (1572, 1695)]