31239040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:412

約数の個数: 128

約数和(自身を含む): 90086400

約数和(自身を除く): 58847360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 367, 380, 448, 532, 560, 608, 640, 665, 734, 760, 896, 1064, 1120, 1216, 1330, 1468, 1520, 1835, 2128, 2240, 2432, 2569, 2660, 2936, 3040, 3670, 4256, 4480, 5138, 5320, 5872, 6080, 6973, 7340, 8512, 10276, 10640, 11744, 12160, 12845, 13946, 14680, 17024, 20552, 21280, 23488, 25690, 27892, 29360, 34865, 41104, 42560, 46976, 48811, 51380, 55784, 58720, 69730, 82208, 85120, 97622, 102760, 111568, 117440, 139460, 164416, 195244, 205520, 223136, 234880, 244055, 278920, 328832, 390488, 411040, 446272, 488110, 557840, 780976, 822080, 892544, 976220, 1115680, 1561952, 1644160, 1952440, 2231360, 3123904, 3904880, 4462720, 6247808, 7809760, 15619520, 31239040]

約数ペア:

[(1, 31239040), (2, 15619520), (4, 7809760), (5, 6247808), (7, 4462720), (8, 3904880), (10, 3123904), (14, 2231360), (16, 1952440), (19, 1644160), (20, 1561952), (28, 1115680), (32, 976220), (35, 892544), (38, 822080), (40, 780976), (56, 557840), (64, 488110), (70, 446272), (76, 411040), (80, 390488), (95, 328832), (112, 278920), (128, 244055), (133, 234880), (140, 223136), (152, 205520), (160, 195244), (190, 164416), (224, 139460), (266, 117440), (280, 111568), (304, 102760), (320, 97622), (367, 85120), (380, 82208), (448, 69730), (532, 58720), (560, 55784), (608, 51380), (640, 48811), (665, 46976), (734, 42560), (760, 41104), (896, 34865), (1064, 29360), (1120, 27892), (1216, 25690), (1330, 23488), (1468, 21280), (1520, 20552), (1835, 17024), (2128, 14680), (2240, 13946), (2432, 12845), (2569, 12160), (2660, 11744), (2936, 10640), (3040, 10276), (3670, 8512), (4256, 7340), (4480, 6973), (5138, 6080), (5320, 5872)]