157440720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1423}}^1$

素因数の和:1900

約数の個数: 80

約数和(自身を含む): 489468672

約数和(自身を除く): 332027952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 461, 922, 1383, 1423, 1844, 2305, 2766, 2846, 3688, 4269, 4610, 5532, 5692, 6915, 7115, 7376, 8538, 9220, 11064, 11384, 13830, 14230, 17076, 18440, 21345, 22128, 22768, 27660, 28460, 34152, 36880, 42690, 55320, 56920, 68304, 85380, 110640, 113840, 170760, 341520, 656003, 1312006, 1968009, 2624012, 3280015, 3936018, 5248024, 6560030, 7872036, 9840045, 10496048, 13120060, 15744072, 19680090, 26240120, 31488144, 39360180, 52480240, 78720360, 157440720]

約数ペア:

[(1, 157440720), (2, 78720360), (3, 52480240), (4, 39360180), (5, 31488144), (6, 26240120), (8, 19680090), (10, 15744072), (12, 13120060), (15, 10496048), (16, 9840045), (20, 7872036), (24, 6560030), (30, 5248024), (40, 3936018), (48, 3280015), (60, 2624012), (80, 1968009), (120, 1312006), (240, 656003), (461, 341520), (922, 170760), (1383, 113840), (1423, 110640), (1844, 85380), (2305, 68304), (2766, 56920), (2846, 55320), (3688, 42690), (4269, 36880), (4610, 34152), (5532, 28460), (5692, 27660), (6915, 22768), (7115, 22128), (7376, 21345), (8538, 18440), (9220, 17076), (11064, 14230), (11384, 13830)]