19783320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4021}}^1$

素因数の和:4076

約数の個数: 64

約数和(自身を含む): 60812640

約数和(自身を除く): 41029320

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, 615, 820, 984, 1230, 1640, 2460, 4021, 4920, 8042, 12063, 16084, 20105, 24126, 32168, 40210, 48252, 60315, 80420, 96504, 120630, 160840, 164861, 241260, 329722, 482520, 494583, 659444, 824305, 989166, 1318888, 1648610, 1978332, 2472915, 3297220, 3956664, 4945830, 6594440, 9891660, 19783320]

約数ペア:

[(1, 19783320), (2, 9891660), (3, 6594440), (4, 4945830), (5, 3956664), (6, 3297220), (8, 2472915), (10, 1978332), (12, 1648610), (15, 1318888), (20, 989166), (24, 824305), (30, 659444), (40, 494583), (41, 482520), (60, 329722), (82, 241260), (120, 164861), (123, 160840), (164, 120630), (205, 96504), (246, 80420), (328, 60315), (410, 48252), (492, 40210), (615, 32168), (820, 24126), (984, 20105), (1230, 16084), (1640, 12063), (2460, 8042), (4021, 4920)]