2563320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 7892640

約数和(自身を除く): 5329320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 521, 615, 820, 984, 1042, 1230, 1563, 1640, 2084, 2460, 2605, 3126, 4168, 4920, 5210, 6252, 7815, 10420, 12504, 15630, 20840, 21361, 31260, 42722, 62520, 64083, 85444, 106805, 128166, 170888, 213610, 256332, 320415, 427220, 512664, 640830, 854440, 1281660, 2563320]

約数ペア:

[(1, 2563320), (2, 1281660), (3, 854440), (4, 640830), (5, 512664), (6, 427220), (8, 320415), (10, 256332), (12, 213610), (15, 170888), (20, 128166), (24, 106805), (30, 85444), (40, 64083), (41, 62520), (60, 42722), (82, 31260), (120, 21361), (123, 20840), (164, 15630), (205, 12504), (246, 10420), (328, 7815), (410, 6252), (492, 5210), (521, 4920), (615, 4168), (820, 3126), (984, 2605), (1042, 2460), (1230, 2084), (1563, 1640)]