18831155840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{135593}}^1$

素因数の和:135650

約数の個数: 128

約数和(自身を含む): 53109457920

約数和(自身を除く): 34278302080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 8680, 9920, 13888, 17360, 19840, 27776, 34720, 69440, 135593, 138880, 271186, 542372, 677965, 949151, 1084744, 1355930, 1898302, 2169488, 2711860, 3796604, 4203383, 4338976, 4745755, 5423720, 7593208, 8406766, 8677952, 9491510, 10847440, 15186416, 16813532, 17355904, 18983020, 21016915, 21694880, 29423681, 30372832, 33627064, 37966040, 42033830, 43389760, 58847362, 60745664, 67254128, 75932080, 84067660, 86779520, 117694724, 121491328, 134508256, 147118405, 151864160, 168135320, 235389448, 269016512, 294236810, 303728320, 336270640, 470778896, 538033024, 588473620, 607456640, 672541280, 941557792, 1176947240, 1345082560, 1883115584, 2353894480, 2690165120, 3766231168, 4707788960, 9415577920, 18831155840]

約数ペア:

[(1, 18831155840), (2, 9415577920), (4, 4707788960), (5, 3766231168), (7, 2690165120), (8, 2353894480), (10, 1883115584), (14, 1345082560), (16, 1176947240), (20, 941557792), (28, 672541280), (31, 607456640), (32, 588473620), (35, 538033024), (40, 470778896), (56, 336270640), (62, 303728320), (64, 294236810), (70, 269016512), (80, 235389448), (112, 168135320), (124, 151864160), (128, 147118405), (140, 134508256), (155, 121491328), (160, 117694724), (217, 86779520), (224, 84067660), (248, 75932080), (280, 67254128), (310, 60745664), (320, 58847362), (434, 43389760), (448, 42033830), (496, 37966040), (560, 33627064), (620, 30372832), (640, 29423681), (868, 21694880), (896, 21016915), (992, 18983020), (1085, 17355904), (1120, 16813532), (1240, 15186416), (1736, 10847440), (1984, 9491510), (2170, 8677952), (2240, 8406766), (2480, 7593208), (3472, 5423720), (3968, 4745755), (4340, 4338976), (4480, 4203383), (4960, 3796604), (6944, 2711860), (8680, 2169488), (9920, 1898302), (13888, 1355930), (17360, 1084744), (19840, 949151), (27776, 677965), (34720, 542372), (69440, 271186), (135593, 138880)]