1280099340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2749}}^1$

素因数の和:2976

約数の個数: 144

約数和(自身を含む): 4204200000

約数和(自身を除く): 2924100660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 199, 234, 260, 390, 398, 468, 585, 597, 780, 796, 995, 1170, 1194, 1791, 1990, 2340, 2388, 2587, 2749, 2985, 3582, 3980, 5174, 5498, 5970, 7164, 7761, 8247, 8955, 10348, 10996, 11940, 12935, 13745, 15522, 16494, 17910, 23283, 24741, 25870, 27490, 31044, 32988, 35737, 35820, 38805, 41235, 46566, 49482, 51740, 54980, 71474, 77610, 82470, 93132, 98964, 107211, 116415, 123705, 142948, 155220, 164940, 178685, 214422, 232830, 247410, 321633, 357370, 428844, 465660, 494820, 536055, 547051, 643266, 714740, 1072110, 1094102, 1286532, 1608165, 1641153, 2144220, 2188204, 2735255, 3216330, 3282306, 4923459, 5470510, 6432660, 6564612, 7111663, 8205765, 9846918, 10941020, 14223326, 16411530, 19693836, 21334989, 24617295, 28446652, 32823060, 35558315, 42669978, 49234590, 64004967, 71116630, 85339956, 98469180, 106674945, 128009934, 142233260, 213349890, 256019868, 320024835, 426699780, 640049670, 1280099340]

約数ペア:

[(1, 1280099340), (2, 640049670), (3, 426699780), (4, 320024835), (5, 256019868), (6, 213349890), (9, 142233260), (10, 128009934), (12, 106674945), (13, 98469180), (15, 85339956), (18, 71116630), (20, 64004967), (26, 49234590), (30, 42669978), (36, 35558315), (39, 32823060), (45, 28446652), (52, 24617295), (60, 21334989), (65, 19693836), (78, 16411530), (90, 14223326), (117, 10941020), (130, 9846918), (156, 8205765), (180, 7111663), (195, 6564612), (199, 6432660), (234, 5470510), (260, 4923459), (390, 3282306), (398, 3216330), (468, 2735255), (585, 2188204), (597, 2144220), (780, 1641153), (796, 1608165), (995, 1286532), (1170, 1094102), (1194, 1072110), (1791, 714740), (1990, 643266), (2340, 547051), (2388, 536055), (2587, 494820), (2749, 465660), (2985, 428844), (3582, 357370), (3980, 321633), (5174, 247410), (5498, 232830), (5970, 214422), (7164, 178685), (7761, 164940), (8247, 155220), (8955, 142948), (10348, 123705), (10996, 116415), (11940, 107211), (12935, 98964), (13745, 93132), (15522, 82470), (16494, 77610), (17910, 71474), (23283, 54980), (24741, 51740), (25870, 49482), (27490, 46566), (31044, 41235), (32988, 38805), (35737, 35820)]