72113920

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1137

約数の個数: 72

約数和(自身を含む): 176160096

約数和(自身を除く): 104046176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1063, 1280, 1696, 2120, 2126, 3392, 4240, 4252, 5315, 6784, 8480, 8504, 10630, 13568, 16960, 17008, 21260, 33920, 34016, 42520, 56339, 67840, 68032, 85040, 112678, 136064, 170080, 225356, 272128, 281695, 340160, 450712, 563390, 680320, 901424, 1126780, 1360640, 1802848, 2253560, 3605696, 4507120, 7211392, 9014240, 14422784, 18028480, 36056960, 72113920]

約数ペア:

[(1, 72113920), (2, 36056960), (4, 18028480), (5, 14422784), (8, 9014240), (10, 7211392), (16, 4507120), (20, 3605696), (32, 2253560), (40, 1802848), (53, 1360640), (64, 1126780), (80, 901424), (106, 680320), (128, 563390), (160, 450712), (212, 340160), (256, 281695), (265, 272128), (320, 225356), (424, 170080), (530, 136064), (640, 112678), (848, 85040), (1060, 68032), (1063, 67840), (1280, 56339), (1696, 42520), (2120, 34016), (2126, 33920), (3392, 21260), (4240, 17008), (4252, 16960), (5315, 13568), (6784, 10630), (8480, 8504)]