1391960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 3499200

約数和(自身を除く): 2107240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 89, 92, 115, 136, 170, 178, 184, 230, 340, 356, 391, 445, 460, 680, 712, 782, 890, 920, 1513, 1564, 1780, 1955, 2047, 3026, 3128, 3560, 3910, 4094, 6052, 7565, 7820, 8188, 10235, 12104, 15130, 15640, 16376, 20470, 30260, 34799, 40940, 60520, 69598, 81880, 139196, 173995, 278392, 347990, 695980, 1391960]

約数ペア:

[(1, 1391960), (2, 695980), (4, 347990), (5, 278392), (8, 173995), (10, 139196), (17, 81880), (20, 69598), (23, 60520), (34, 40940), (40, 34799), (46, 30260), (68, 20470), (85, 16376), (89, 15640), (92, 15130), (115, 12104), (136, 10235), (170, 8188), (178, 7820), (184, 7565), (230, 6052), (340, 4094), (356, 3910), (391, 3560), (445, 3128), (460, 3026), (680, 2047), (712, 1955), (782, 1780), (890, 1564), (920, 1513)]