2451960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{139}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 9336600

約数和(自身を除く): 6884640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 139, 140, 147, 168, 180, 196, 210, 245, 252, 278, 280, 294, 315, 360, 392, 417, 420, 441, 490, 504, 556, 588, 630, 695, 735, 834, 840, 882, 973, 980, 1112, 1176, 1251, 1260, 1390, 1470, 1668, 1764, 1946, 1960, 2085, 2205, 2502, 2520, 2780, 2919, 2940, 3336, 3528, 3892, 4170, 4410, 4865, 5004, 5560, 5838, 5880, 6255, 6811, 7784, 8340, 8757, 8820, 9730, 10008, 11676, 12510, 13622, 14595, 16680, 17514, 17640, 19460, 20433, 23352, 25020, 27244, 29190, 34055, 35028, 38920, 40866, 43785, 50040, 54488, 58380, 61299, 68110, 70056, 81732, 87570, 102165, 116760, 122598, 136220, 163464, 175140, 204330, 245196, 272440, 306495, 350280, 408660, 490392, 612990, 817320, 1225980, 2451960]

約数ペア:

[(1, 2451960), (2, 1225980), (3, 817320), (4, 612990), (5, 490392), (6, 408660), (7, 350280), (8, 306495), (9, 272440), (10, 245196), (12, 204330), (14, 175140), (15, 163464), (18, 136220), (20, 122598), (21, 116760), (24, 102165), (28, 87570), (30, 81732), (35, 70056), (36, 68110), (40, 61299), (42, 58380), (45, 54488), (49, 50040), (56, 43785), (60, 40866), (63, 38920), (70, 35028), (72, 34055), (84, 29190), (90, 27244), (98, 25020), (105, 23352), (120, 20433), (126, 19460), (139, 17640), (140, 17514), (147, 16680), (168, 14595), (180, 13622), (196, 12510), (210, 11676), (245, 10008), (252, 9730), (278, 8820), (280, 8757), (294, 8340), (315, 7784), (360, 6811), (392, 6255), (417, 5880), (420, 5838), (441, 5560), (490, 5004), (504, 4865), (556, 4410), (588, 4170), (630, 3892), (695, 3528), (735, 3336), (834, 2940), (840, 2919), (882, 2780), (973, 2520), (980, 2502), (1112, 2205), (1176, 2085), (1251, 1960), (1260, 1946), (1390, 1764), (1470, 1668)]