1965379140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{404399}}^1$

素因数の和:404423

約数の個数: 72

約数和(自身を含む): 6182467200

約数和(自身を除く): 4217088060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 404399, 808798, 1213197, 1617596, 2021995, 2426394, 3639591, 4043990, 4852788, 6065985, 7279182, 8087980, 10918773, 12131970, 14558364, 18197955, 21837546, 24263940, 32756319, 36395910, 43675092, 54593865, 65512638, 72791820, 98268957, 109187730, 131025276, 163781595, 196537914, 218375460, 327563190, 393075828, 491344785, 655126380, 982689570, 1965379140]

約数ペア:

[(1, 1965379140), (2, 982689570), (3, 655126380), (4, 491344785), (5, 393075828), (6, 327563190), (9, 218375460), (10, 196537914), (12, 163781595), (15, 131025276), (18, 109187730), (20, 98268957), (27, 72791820), (30, 65512638), (36, 54593865), (45, 43675092), (54, 36395910), (60, 32756319), (81, 24263940), (90, 21837546), (108, 18197955), (135, 14558364), (162, 12131970), (180, 10918773), (243, 8087980), (270, 7279182), (324, 6065985), (405, 4852788), (486, 4043990), (540, 3639591), (810, 2426394), (972, 2021995), (1215, 1617596), (1620, 1213197), (2430, 808798), (4860, 404399)]