2019780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{229}}^1$

素因数の和:258

約数の個数: 108

約数和(自身を含む): 7158060

約数和(自身を除く): 5138280

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 229, 245, 252, 294, 315, 420, 441, 458, 490, 588, 630, 687, 735, 882, 916, 980, 1145, 1260, 1374, 1470, 1603, 1764, 2061, 2205, 2290, 2748, 2940, 3206, 3435, 4122, 4410, 4580, 4809, 6412, 6870, 8015, 8244, 8820, 9618, 10305, 11221, 13740, 14427, 16030, 19236, 20610, 22442, 24045, 28854, 32060, 33663, 41220, 44884, 48090, 56105, 57708, 67326, 72135, 96180, 100989, 112210, 134652, 144270, 168315, 201978, 224420, 288540, 336630, 403956, 504945, 673260, 1009890, 2019780]

約数ペア:

[(1, 2019780), (2, 1009890), (3, 673260), (4, 504945), (5, 403956), (6, 336630), (7, 288540), (9, 224420), (10, 201978), (12, 168315), (14, 144270), (15, 134652), (18, 112210), (20, 100989), (21, 96180), (28, 72135), (30, 67326), (35, 57708), (36, 56105), (42, 48090), (45, 44884), (49, 41220), (60, 33663), (63, 32060), (70, 28854), (84, 24045), (90, 22442), (98, 20610), (105, 19236), (126, 16030), (140, 14427), (147, 13740), (180, 11221), (196, 10305), (210, 9618), (229, 8820), (245, 8244), (252, 8015), (294, 6870), (315, 6412), (420, 4809), (441, 4580), (458, 4410), (490, 4122), (588, 3435), (630, 3206), (687, 2940), (735, 2748), (882, 2290), (916, 2205), (980, 2061), (1145, 1764), (1260, 1603), (1374, 1470)]