1980060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 5645472

約数和(自身を除く): 3665412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 541, 610, 732, 915, 1082, 1220, 1623, 1830, 2164, 2705, 3246, 3660, 5410, 6492, 8115, 10820, 16230, 32460, 33001, 66002, 99003, 132004, 165005, 198006, 330010, 396012, 495015, 660020, 990030, 1980060]

約数ペア:

[(1, 1980060), (2, 990030), (3, 660020), (4, 495015), (5, 396012), (6, 330010), (10, 198006), (12, 165005), (15, 132004), (20, 99003), (30, 66002), (60, 33001), (61, 32460), (122, 16230), (183, 10820), (244, 8115), (305, 6492), (366, 5410), (541, 3660), (610, 3246), (732, 2705), (915, 2164), (1082, 1830), (1220, 1623)]