31775380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 88542720

約数和(自身を除く): 56767340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 79, 85, 91, 119, 130, 140, 158, 169, 170, 182, 221, 238, 260, 316, 338, 340, 364, 395, 442, 455, 476, 553, 595, 676, 790, 845, 884, 910, 1027, 1105, 1106, 1183, 1190, 1343, 1547, 1580, 1690, 1820, 2054, 2210, 2212, 2366, 2380, 2686, 2765, 2873, 3094, 3380, 4108, 4420, 4732, 5135, 5372, 5530, 5746, 5915, 6188, 6715, 7189, 7735, 9401, 10270, 11060, 11492, 11830, 13351, 13430, 14365, 14378, 15470, 17459, 18802, 20111, 20540, 23660, 26702, 26860, 28730, 28756, 30940, 34918, 35945, 37604, 40222, 47005, 53404, 57460, 66755, 69836, 71890, 80444, 87295, 93457, 94010, 100555, 122213, 133510, 143780, 174590, 186914, 188020, 201110, 226967, 244426, 267020, 349180, 373828, 402220, 453934, 467285, 488852, 611065, 907868, 934570, 1134835, 1222130, 1588769, 1869140, 2269670, 2444260, 3177538, 4539340, 6355076, 7943845, 15887690, 31775380]

約数ペア:

[(1, 31775380), (2, 15887690), (4, 7943845), (5, 6355076), (7, 4539340), (10, 3177538), (13, 2444260), (14, 2269670), (17, 1869140), (20, 1588769), (26, 1222130), (28, 1134835), (34, 934570), (35, 907868), (52, 611065), (65, 488852), (68, 467285), (70, 453934), (79, 402220), (85, 373828), (91, 349180), (119, 267020), (130, 244426), (140, 226967), (158, 201110), (169, 188020), (170, 186914), (182, 174590), (221, 143780), (238, 133510), (260, 122213), (316, 100555), (338, 94010), (340, 93457), (364, 87295), (395, 80444), (442, 71890), (455, 69836), (476, 66755), (553, 57460), (595, 53404), (676, 47005), (790, 40222), (845, 37604), (884, 35945), (910, 34918), (1027, 30940), (1105, 28756), (1106, 28730), (1183, 26860), (1190, 26702), (1343, 23660), (1547, 20540), (1580, 20111), (1690, 18802), (1820, 17459), (2054, 15470), (2210, 14378), (2212, 14365), (2366, 13430), (2380, 13351), (2686, 11830), (2765, 11492), (2873, 11060), (3094, 10270), (3380, 9401), (4108, 7735), (4420, 7189), (4732, 6715), (5135, 6188), (5372, 5915), (5530, 5746)]