31118360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 88058880

約数和(自身を除く): 56940520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 83, 91, 103, 104, 130, 140, 166, 182, 206, 260, 280, 332, 364, 412, 415, 455, 515, 520, 581, 664, 721, 728, 824, 830, 910, 1030, 1079, 1162, 1339, 1442, 1660, 1820, 2060, 2158, 2324, 2678, 2884, 2905, 3320, 3605, 3640, 4120, 4316, 4648, 5356, 5395, 5768, 5810, 6695, 7210, 7553, 8549, 8632, 9373, 10712, 10790, 11620, 13390, 14420, 15106, 17098, 18746, 21580, 23240, 26780, 28840, 30212, 34196, 37492, 37765, 42745, 43160, 46865, 53560, 59843, 60424, 68392, 74984, 75530, 85490, 93730, 111137, 119686, 151060, 170980, 187460, 222274, 239372, 299215, 302120, 341960, 374920, 444548, 478744, 555685, 598430, 777959, 889096, 1111370, 1196860, 1555918, 2222740, 2393720, 3111836, 3889795, 4445480, 6223672, 7779590, 15559180, 31118360]

約数ペア:

[(1, 31118360), (2, 15559180), (4, 7779590), (5, 6223672), (7, 4445480), (8, 3889795), (10, 3111836), (13, 2393720), (14, 2222740), (20, 1555918), (26, 1196860), (28, 1111370), (35, 889096), (40, 777959), (52, 598430), (56, 555685), (65, 478744), (70, 444548), (83, 374920), (91, 341960), (103, 302120), (104, 299215), (130, 239372), (140, 222274), (166, 187460), (182, 170980), (206, 151060), (260, 119686), (280, 111137), (332, 93730), (364, 85490), (412, 75530), (415, 74984), (455, 68392), (515, 60424), (520, 59843), (581, 53560), (664, 46865), (721, 43160), (728, 42745), (824, 37765), (830, 37492), (910, 34196), (1030, 30212), (1079, 28840), (1162, 26780), (1339, 23240), (1442, 21580), (1660, 18746), (1820, 17098), (2060, 15106), (2158, 14420), (2324, 13390), (2678, 11620), (2884, 10790), (2905, 10712), (3320, 9373), (3605, 8632), (3640, 8549), (4120, 7553), (4316, 7210), (4648, 6695), (5356, 5810), (5395, 5768)]