87105040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 230503104

約数和(自身を除く): 143398064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 103, 110, 124, 155, 176, 206, 220, 248, 310, 341, 412, 440, 496, 515, 620, 682, 824, 880, 961, 1030, 1133, 1240, 1364, 1648, 1705, 1922, 2060, 2266, 2480, 2728, 3193, 3410, 3844, 4120, 4532, 4805, 5456, 5665, 6386, 6820, 7688, 8240, 9064, 9610, 10571, 11330, 12772, 13640, 15376, 15965, 18128, 19220, 21142, 22660, 25544, 27280, 31930, 35123, 38440, 42284, 45320, 51088, 52855, 63860, 70246, 76880, 84568, 90640, 98983, 105710, 127720, 140492, 169136, 175615, 197966, 211420, 255440, 280984, 351230, 395932, 422840, 494915, 561968, 702460, 791864, 845680, 989830, 1088813, 1404920, 1583728, 1979660, 2177626, 2809840, 3959320, 4355252, 5444065, 7918640, 8710504, 10888130, 17421008, 21776260, 43552520, 87105040]

約数ペア:

[(1, 87105040), (2, 43552520), (4, 21776260), (5, 17421008), (8, 10888130), (10, 8710504), (11, 7918640), (16, 5444065), (20, 4355252), (22, 3959320), (31, 2809840), (40, 2177626), (44, 1979660), (55, 1583728), (62, 1404920), (80, 1088813), (88, 989830), (103, 845680), (110, 791864), (124, 702460), (155, 561968), (176, 494915), (206, 422840), (220, 395932), (248, 351230), (310, 280984), (341, 255440), (412, 211420), (440, 197966), (496, 175615), (515, 169136), (620, 140492), (682, 127720), (824, 105710), (880, 98983), (961, 90640), (1030, 84568), (1133, 76880), (1240, 70246), (1364, 63860), (1648, 52855), (1705, 51088), (1922, 45320), (2060, 42284), (2266, 38440), (2480, 35123), (2728, 31930), (3193, 27280), (3410, 25544), (3844, 22660), (4120, 21142), (4532, 19220), (4805, 18128), (5456, 15965), (5665, 15376), (6386, 13640), (6820, 12772), (7688, 11330), (8240, 10571), (9064, 9610)]