31410990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 160

約数和(自身を含む): 96354720

約数和(自身を除く): 64943730

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 81, 90, 95, 114, 117, 130, 135, 157, 162, 171, 190, 195, 234, 247, 270, 285, 314, 342, 351, 390, 405, 471, 494, 513, 570, 585, 702, 741, 785, 810, 855, 942, 1026, 1053, 1170, 1235, 1413, 1482, 1539, 1570, 1710, 1755, 2041, 2106, 2223, 2355, 2470, 2565, 2826, 2983, 3078, 3510, 3705, 4082, 4239, 4446, 4710, 5130, 5265, 5966, 6123, 6669, 7065, 7410, 7695, 8478, 8949, 10205, 10530, 11115, 12246, 12717, 13338, 14130, 14915, 15390, 17898, 18369, 20007, 20410, 21195, 22230, 25434, 26847, 29830, 30615, 33345, 36738, 38779, 40014, 42390, 44745, 53694, 55107, 61230, 63585, 66690, 77558, 80541, 89490, 91845, 100035, 110214, 116337, 127170, 134235, 161082, 165321, 183690, 193895, 200070, 232674, 241623, 268470, 275535, 330642, 349011, 387790, 402705, 483246, 551070, 581685, 698022, 805410, 826605, 1047033, 1163370, 1208115, 1653210, 1745055, 2094066, 2416230, 3141099, 3490110, 5235165, 6282198, 10470330, 15705495, 31410990]

約数ペア:

[(1, 31410990), (2, 15705495), (3, 10470330), (5, 6282198), (6, 5235165), (9, 3490110), (10, 3141099), (13, 2416230), (15, 2094066), (18, 1745055), (19, 1653210), (26, 1208115), (27, 1163370), (30, 1047033), (38, 826605), (39, 805410), (45, 698022), (54, 581685), (57, 551070), (65, 483246), (78, 402705), (81, 387790), (90, 349011), (95, 330642), (114, 275535), (117, 268470), (130, 241623), (135, 232674), (157, 200070), (162, 193895), (171, 183690), (190, 165321), (195, 161082), (234, 134235), (247, 127170), (270, 116337), (285, 110214), (314, 100035), (342, 91845), (351, 89490), (390, 80541), (405, 77558), (471, 66690), (494, 63585), (513, 61230), (570, 55107), (585, 53694), (702, 44745), (741, 42390), (785, 40014), (810, 38779), (855, 36738), (942, 33345), (1026, 30615), (1053, 29830), (1170, 26847), (1235, 25434), (1413, 22230), (1482, 21195), (1539, 20410), (1570, 20007), (1710, 18369), (1755, 17898), (2041, 15390), (2106, 14915), (2223, 14130), (2355, 13338), (2470, 12717), (2565, 12246), (2826, 11115), (2983, 10530), (3078, 10205), (3510, 8949), (3705, 8478), (4082, 7695), (4239, 7410), (4446, 7065), (4710, 6669), (5130, 6123), (5265, 5966)]