201720

素因数分解:

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

素因数の和:96

約数の個数: 48

約数和(自身を含む): 620280

約数和(自身を除く): 418560

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, 1681, 2460, 3362, 4920, 5043, 6724, 8405, 10086, 13448, 16810, 20172, 25215, 33620, 40344, 50430, 67240, 100860, 201720]

約数ペア:

[(1, 201720), (2, 100860), (3, 67240), (4, 50430), (5, 40344), (6, 33620), (8, 25215), (10, 20172), (12, 16810), (15, 13448), (20, 10086), (24, 8405), (30, 6724), (40, 5043), (41, 4920), (60, 3362), (82, 2460), (120, 1681), (123, 1640), (164, 1230), (205, 984), (246, 820), (328, 615), (410, 492)]