641787552

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{318347}}^1$

素因数の和:318370

約数の個数: 72

約数和(自身を含む): 2085816096

約数和(自身を除く): 1444028544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 318347, 636694, 955041, 1273388, 1910082, 2228429, 2546776, 2865123, 3820164, 4456858, 5093552, 5730246, 6685287, 7640328, 8913716, 10187104, 11460492, 13370574, 15280656, 17827432, 20055861, 22920984, 26741148, 30561312, 35654864, 40111722, 45841968, 53482296, 71309728, 80223444, 91683936, 106964592, 160446888, 213929184, 320893776, 641787552]

約数ペア:

[(1, 641787552), (2, 320893776), (3, 213929184), (4, 160446888), (6, 106964592), (7, 91683936), (8, 80223444), (9, 71309728), (12, 53482296), (14, 45841968), (16, 40111722), (18, 35654864), (21, 30561312), (24, 26741148), (28, 22920984), (32, 20055861), (36, 17827432), (42, 15280656), (48, 13370574), (56, 11460492), (63, 10187104), (72, 8913716), (84, 7640328), (96, 6685287), (112, 5730246), (126, 5093552), (144, 4456858), (168, 3820164), (224, 2865123), (252, 2546776), (288, 2228429), (336, 1910082), (504, 1273388), (672, 955041), (1008, 636694), (2016, 318347)]