71317480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 185068800

約数和(自身を除く): 113751320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 67, 89, 92, 104, 115, 130, 134, 178, 184, 230, 260, 268, 299, 335, 356, 445, 460, 520, 536, 598, 670, 712, 871, 890, 920, 1157, 1196, 1340, 1495, 1541, 1742, 1780, 2047, 2314, 2392, 2680, 2990, 3082, 3484, 3560, 4094, 4355, 4628, 5785, 5963, 5980, 6164, 6968, 7705, 8188, 8710, 9256, 10235, 11570, 11926, 11960, 12328, 15410, 16376, 17420, 20033, 20470, 23140, 23852, 26611, 29815, 30820, 34840, 40066, 40940, 46280, 47704, 53222, 59630, 61640, 77519, 80132, 81880, 100165, 106444, 119260, 133055, 137149, 155038, 160264, 200330, 212888, 238520, 266110, 274298, 310076, 387595, 400660, 532220, 548596, 620152, 685745, 775190, 801320, 1064440, 1097192, 1371490, 1550380, 1782937, 2742980, 3100760, 3565874, 5485960, 7131748, 8914685, 14263496, 17829370, 35658740, 71317480]

約数ペア:

[(1, 71317480), (2, 35658740), (4, 17829370), (5, 14263496), (8, 8914685), (10, 7131748), (13, 5485960), (20, 3565874), (23, 3100760), (26, 2742980), (40, 1782937), (46, 1550380), (52, 1371490), (65, 1097192), (67, 1064440), (89, 801320), (92, 775190), (104, 685745), (115, 620152), (130, 548596), (134, 532220), (178, 400660), (184, 387595), (230, 310076), (260, 274298), (268, 266110), (299, 238520), (335, 212888), (356, 200330), (445, 160264), (460, 155038), (520, 137149), (536, 133055), (598, 119260), (670, 106444), (712, 100165), (871, 81880), (890, 80132), (920, 77519), (1157, 61640), (1196, 59630), (1340, 53222), (1495, 47704), (1541, 46280), (1742, 40940), (1780, 40066), (2047, 34840), (2314, 30820), (2392, 29815), (2680, 26611), (2990, 23852), (3082, 23140), (3484, 20470), (3560, 20033), (4094, 17420), (4355, 16376), (4628, 15410), (5785, 12328), (5963, 11960), (5980, 11926), (6164, 11570), (6968, 10235), (7705, 9256), (8188, 8710)]