69918640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:299

約数の個数: 120

約数和(自身を含む): 185238144

約数和(自身を除く): 115319504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 233, 242, 248, 310, 341, 440, 466, 484, 496, 605, 620, 682, 880, 932, 968, 1165, 1210, 1240, 1364, 1705, 1864, 1936, 2330, 2420, 2480, 2563, 2728, 3410, 3728, 3751, 4660, 4840, 5126, 5456, 6820, 7223, 7502, 9320, 9680, 10252, 12815, 13640, 14446, 15004, 18640, 18755, 20504, 25630, 27280, 28193, 28892, 30008, 36115, 37510, 41008, 51260, 56386, 57784, 60016, 72230, 75020, 79453, 102520, 112772, 115568, 140965, 144460, 150040, 158906, 205040, 225544, 281930, 288920, 300080, 317812, 397265, 451088, 563860, 577840, 635624, 794530, 873983, 1127720, 1271248, 1589060, 1747966, 2255440, 3178120, 3495932, 4369915, 6356240, 6991864, 8739830, 13983728, 17479660, 34959320, 69918640]

約数ペア:

[(1, 69918640), (2, 34959320), (4, 17479660), (5, 13983728), (8, 8739830), (10, 6991864), (11, 6356240), (16, 4369915), (20, 3495932), (22, 3178120), (31, 2255440), (40, 1747966), (44, 1589060), (55, 1271248), (62, 1127720), (80, 873983), (88, 794530), (110, 635624), (121, 577840), (124, 563860), (155, 451088), (176, 397265), (220, 317812), (233, 300080), (242, 288920), (248, 281930), (310, 225544), (341, 205040), (440, 158906), (466, 150040), (484, 144460), (496, 140965), (605, 115568), (620, 112772), (682, 102520), (880, 79453), (932, 75020), (968, 72230), (1165, 60016), (1210, 57784), (1240, 56386), (1364, 51260), (1705, 41008), (1864, 37510), (1936, 36115), (2330, 30008), (2420, 28892), (2480, 28193), (2563, 27280), (2728, 25630), (3410, 20504), (3728, 18755), (3751, 18640), (4660, 15004), (4840, 14446), (5126, 13640), (5456, 12815), (6820, 10252), (7223, 9680), (7502, 9320)]