74717440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 211921920

約数和(自身を除く): 137204480

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, 256, 269, 280, 310, 320, 434, 448, 496, 538, 560, 620, 640, 868, 896, 992, 1076, 1085, 1120, 1240, 1280, 1345, 1736, 1792, 1883, 1984, 2152, 2170, 2240, 2480, 2690, 3472, 3766, 3968, 4304, 4340, 4480, 4960, 5380, 6944, 7532, 7936, 8339, 8608, 8680, 8960, 9415, 9920, 10760, 13888, 15064, 16678, 17216, 17360, 18830, 19840, 21520, 27776, 30128, 33356, 34432, 34720, 37660, 39680, 41695, 43040, 55552, 58373, 60256, 66712, 68864, 69440, 75320, 83390, 86080, 116746, 120512, 133424, 138880, 150640, 166780, 172160, 233492, 241024, 266848, 277760, 291865, 301280, 333560, 344320, 466984, 482048, 533696, 583730, 602560, 667120, 933968, 1067392, 1167460, 1205120, 1334240, 1867936, 2134784, 2334920, 2410240, 2668480, 3735872, 4669840, 5336960, 7471744, 9339680, 10673920, 14943488, 18679360, 37358720, 74717440]

約数ペア:

[(1, 74717440), (2, 37358720), (4, 18679360), (5, 14943488), (7, 10673920), (8, 9339680), (10, 7471744), (14, 5336960), (16, 4669840), (20, 3735872), (28, 2668480), (31, 2410240), (32, 2334920), (35, 2134784), (40, 1867936), (56, 1334240), (62, 1205120), (64, 1167460), (70, 1067392), (80, 933968), (112, 667120), (124, 602560), (128, 583730), (140, 533696), (155, 482048), (160, 466984), (217, 344320), (224, 333560), (248, 301280), (256, 291865), (269, 277760), (280, 266848), (310, 241024), (320, 233492), (434, 172160), (448, 166780), (496, 150640), (538, 138880), (560, 133424), (620, 120512), (640, 116746), (868, 86080), (896, 83390), (992, 75320), (1076, 69440), (1085, 68864), (1120, 66712), (1240, 60256), (1280, 58373), (1345, 55552), (1736, 43040), (1792, 41695), (1883, 39680), (1984, 37660), (2152, 34720), (2170, 34432), (2240, 33356), (2480, 30128), (2690, 27776), (3472, 21520), (3766, 19840), (3968, 18830), (4304, 17360), (4340, 17216), (4480, 16678), (4960, 15064), (5380, 13888), (6944, 10760), (7532, 9920), (7936, 9415), (8339, 8960), (8608, 8680)]