71944740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{2719}}^1$

素因数の和:2751

約数の個数: 144

約数和(自身を含む): 260467200

約数和(自身を除く): 188522460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2719, 2940, 3780, 4410, 5292, 5438, 6615, 8157, 8820, 10876, 13230, 13595, 16314, 19033, 24471, 26460, 27190, 32628, 38066, 40785, 48942, 54380, 57099, 73413, 76132, 81570, 95165, 97884, 114198, 122355, 133231, 146826, 163140, 171297, 190330, 228396, 244710, 266462, 285495, 293652, 342594, 367065, 380660, 399693, 489420, 513891, 532924, 570990, 666155, 685188, 734130, 799386, 856485, 1027782, 1141980, 1199079, 1332310, 1468260, 1598772, 1712970, 1998465, 2055564, 2398158, 2569455, 2664620, 3425940, 3597237, 3996930, 4796316, 5138910, 5995395, 7194474, 7993860, 10277820, 11990790, 14388948, 17986185, 23981580, 35972370, 71944740]

約数ペア:

[(1, 71944740), (2, 35972370), (3, 23981580), (4, 17986185), (5, 14388948), (6, 11990790), (7, 10277820), (9, 7993860), (10, 7194474), (12, 5995395), (14, 5138910), (15, 4796316), (18, 3996930), (20, 3597237), (21, 3425940), (27, 2664620), (28, 2569455), (30, 2398158), (35, 2055564), (36, 1998465), (42, 1712970), (45, 1598772), (49, 1468260), (54, 1332310), (60, 1199079), (63, 1141980), (70, 1027782), (84, 856485), (90, 799386), (98, 734130), (105, 685188), (108, 666155), (126, 570990), (135, 532924), (140, 513891), (147, 489420), (180, 399693), (189, 380660), (196, 367065), (210, 342594), (245, 293652), (252, 285495), (270, 266462), (294, 244710), (315, 228396), (378, 190330), (420, 171297), (441, 163140), (490, 146826), (540, 133231), (588, 122355), (630, 114198), (735, 97884), (756, 95165), (882, 81570), (945, 76132), (980, 73413), (1260, 57099), (1323, 54380), (1470, 48942), (1764, 40785), (1890, 38066), (2205, 32628), (2646, 27190), (2719, 26460), (2940, 24471), (3780, 19033), (4410, 16314), (5292, 13595), (5438, 13230), (6615, 10876), (8157, 8820)]