312351480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{17707}}^1$

素因数の和:17738

約数の個数: 144

約数和(自身を含む): 1180946520

約数和(自身を除く): 868595040

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, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 17707, 35414, 53121, 70828, 88535, 106242, 123949, 141656, 159363, 177070, 212484, 247898, 265605, 318726, 354140, 371847, 424968, 495796, 531210, 619745, 637452, 708280, 743694, 796815, 867643, 991592, 1062420, 1115541, 1239490, 1274904, 1487388, 1593630, 1735286, 1859235, 2124840, 2231082, 2478980, 2602929, 2974776, 3187260, 3470572, 3718470, 4338215, 4462164, 4957960, 5205858, 5577705, 6374520, 6941144, 7436940, 7808787, 8676430, 8924328, 10411716, 11155410, 13014645, 14873880, 15617574, 17352860, 20823432, 22310820, 26029290, 31235148, 34705720, 39043935, 44621640, 52058580, 62470296, 78087870, 104117160, 156175740, 312351480]

約数ペア:

[(1, 312351480), (2, 156175740), (3, 104117160), (4, 78087870), (5, 62470296), (6, 52058580), (7, 44621640), (8, 39043935), (9, 34705720), (10, 31235148), (12, 26029290), (14, 22310820), (15, 20823432), (18, 17352860), (20, 15617574), (21, 14873880), (24, 13014645), (28, 11155410), (30, 10411716), (35, 8924328), (36, 8676430), (40, 7808787), (42, 7436940), (45, 6941144), (49, 6374520), (56, 5577705), (60, 5205858), (63, 4957960), (70, 4462164), (72, 4338215), (84, 3718470), (90, 3470572), (98, 3187260), (105, 2974776), (120, 2602929), (126, 2478980), (140, 2231082), (147, 2124840), (168, 1859235), (180, 1735286), (196, 1593630), (210, 1487388), (245, 1274904), (252, 1239490), (280, 1115541), (294, 1062420), (315, 991592), (360, 867643), (392, 796815), (420, 743694), (441, 708280), (490, 637452), (504, 619745), (588, 531210), (630, 495796), (735, 424968), (840, 371847), (882, 354140), (980, 318726), (1176, 265605), (1260, 247898), (1470, 212484), (1764, 177070), (1960, 159363), (2205, 141656), (2520, 123949), (2940, 106242), (3528, 88535), (4410, 70828), (5880, 53121), (8820, 35414), (17640, 17707)]