784980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{89}}^1$

素因数の和:118

約数の個数: 108

約数和(自身を含む): 2800980

約数和(自身を除く): 2016000

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, 89, 90, 98, 105, 126, 140, 147, 178, 180, 196, 210, 245, 252, 267, 294, 315, 356, 420, 441, 445, 490, 534, 588, 623, 630, 735, 801, 882, 890, 980, 1068, 1246, 1260, 1335, 1470, 1602, 1764, 1780, 1869, 2205, 2492, 2670, 2940, 3115, 3204, 3738, 4005, 4361, 4410, 5340, 5607, 6230, 7476, 8010, 8722, 8820, 9345, 11214, 12460, 13083, 16020, 17444, 18690, 21805, 22428, 26166, 28035, 37380, 39249, 43610, 52332, 56070, 65415, 78498, 87220, 112140, 130830, 156996, 196245, 261660, 392490, 784980]

約数ペア:

[(1, 784980), (2, 392490), (3, 261660), (4, 196245), (5, 156996), (6, 130830), (7, 112140), (9, 87220), (10, 78498), (12, 65415), (14, 56070), (15, 52332), (18, 43610), (20, 39249), (21, 37380), (28, 28035), (30, 26166), (35, 22428), (36, 21805), (42, 18690), (45, 17444), (49, 16020), (60, 13083), (63, 12460), (70, 11214), (84, 9345), (89, 8820), (90, 8722), (98, 8010), (105, 7476), (126, 6230), (140, 5607), (147, 5340), (178, 4410), (180, 4361), (196, 4005), (210, 3738), (245, 3204), (252, 3115), (267, 2940), (294, 2670), (315, 2492), (356, 2205), (420, 1869), (441, 1780), (445, 1764), (490, 1602), (534, 1470), (588, 1335), (623, 1260), (630, 1246), (735, 1068), (801, 980), (882, 890)]