1245494640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{399197}}^1$

素因数の和:399226

約数の個数: 80

約数和(自身を含む): 4158046368

約数和(自身を除く): 2912551728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 399197, 798394, 1197591, 1596788, 1995985, 2395182, 3193576, 3991970, 4790364, 5189561, 5987955, 6387152, 7983940, 9580728, 10379122, 11975910, 15568683, 15967880, 19161456, 20758244, 23951820, 25947805, 31137366, 31935760, 41516488, 47903640, 51895610, 62274732, 77843415, 83032976, 95807280, 103791220, 124549464, 155686830, 207582440, 249098928, 311373660, 415164880, 622747320, 1245494640]

約数ペア:

[(1, 1245494640), (2, 622747320), (3, 415164880), (4, 311373660), (5, 249098928), (6, 207582440), (8, 155686830), (10, 124549464), (12, 103791220), (13, 95807280), (15, 83032976), (16, 77843415), (20, 62274732), (24, 51895610), (26, 47903640), (30, 41516488), (39, 31935760), (40, 31137366), (48, 25947805), (52, 23951820), (60, 20758244), (65, 19161456), (78, 15967880), (80, 15568683), (104, 11975910), (120, 10379122), (130, 9580728), (156, 7983940), (195, 6387152), (208, 5987955), (240, 5189561), (260, 4790364), (312, 3991970), (390, 3193576), (520, 2395182), (624, 1995985), (780, 1596788), (1040, 1197591), (1560, 798394), (3120, 399197)]