72452120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{503}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 176541120

約数和(自身を除く): 104089000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 503, 520, 554, 1006, 1108, 1385, 2012, 2216, 2515, 2770, 3601, 4024, 5030, 5540, 6539, 7202, 10060, 11080, 13078, 14404, 18005, 20120, 26156, 28808, 32695, 36010, 52312, 65390, 72020, 130780, 139331, 144040, 261560, 278662, 557324, 696655, 1114648, 1393310, 1811303, 2786620, 3622606, 5573240, 7245212, 9056515, 14490424, 18113030, 36226060, 72452120]

約数ペア:

[(1, 72452120), (2, 36226060), (4, 18113030), (5, 14490424), (8, 9056515), (10, 7245212), (13, 5573240), (20, 3622606), (26, 2786620), (40, 1811303), (52, 1393310), (65, 1114648), (104, 696655), (130, 557324), (260, 278662), (277, 261560), (503, 144040), (520, 139331), (554, 130780), (1006, 72020), (1108, 65390), (1385, 52312), (2012, 36010), (2216, 32695), (2515, 28808), (2770, 26156), (3601, 20120), (4024, 18005), (5030, 14404), (5540, 13078), (6539, 11080), (7202, 10060)]