219296480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 609638400

約数和(自身を除く): 390341920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 179, 190, 208, 247, 248, 260, 304, 310, 358, 380, 403, 416, 494, 496, 520, 589, 608, 620, 716, 760, 806, 895, 988, 992, 1040, 1178, 1235, 1240, 1432, 1520, 1612, 1790, 1976, 2015, 2080, 2327, 2356, 2470, 2480, 2864, 2945, 3040, 3224, 3401, 3580, 3952, 4030, 4654, 4712, 4940, 4960, 5549, 5728, 5890, 6448, 6802, 7160, 7657, 7904, 8060, 9308, 9424, 9880, 11098, 11635, 11780, 12896, 13604, 14320, 15314, 16120, 17005, 18616, 18848, 19760, 22196, 23270, 23560, 27208, 27745, 28640, 30628, 32240, 34010, 37232, 38285, 39520, 44213, 44392, 46540, 47120, 54416, 55490, 61256, 64480, 68020, 72137, 74464, 76570, 88426, 88784, 93080, 94240, 105431, 108832, 110980, 122512, 136040, 144274, 153140, 176852, 177568, 186160, 210862, 221065, 221960, 245024, 272080, 288548, 306280, 353704, 360685, 372320, 421724, 442130, 443920, 527155, 544160, 577096, 612560, 707408, 721370, 843448, 884260, 887840, 1054310, 1154192, 1225120, 1370603, 1414816, 1442740, 1686896, 1768520, 2108620, 2308384, 2741206, 2885480, 3373792, 3537040, 4217240, 5482412, 5770960, 6853015, 7074080, 8434480, 10964824, 11541920, 13706030, 16868960, 21929648, 27412060, 43859296, 54824120, 109648240, 219296480]

約数ペア:

[(1, 219296480), (2, 109648240), (4, 54824120), (5, 43859296), (8, 27412060), (10, 21929648), (13, 16868960), (16, 13706030), (19, 11541920), (20, 10964824), (26, 8434480), (31, 7074080), (32, 6853015), (38, 5770960), (40, 5482412), (52, 4217240), (62, 3537040), (65, 3373792), (76, 2885480), (80, 2741206), (95, 2308384), (104, 2108620), (124, 1768520), (130, 1686896), (152, 1442740), (155, 1414816), (160, 1370603), (179, 1225120), (190, 1154192), (208, 1054310), (247, 887840), (248, 884260), (260, 843448), (304, 721370), (310, 707408), (358, 612560), (380, 577096), (403, 544160), (416, 527155), (494, 443920), (496, 442130), (520, 421724), (589, 372320), (608, 360685), (620, 353704), (716, 306280), (760, 288548), (806, 272080), (895, 245024), (988, 221960), (992, 221065), (1040, 210862), (1178, 186160), (1235, 177568), (1240, 176852), (1432, 153140), (1520, 144274), (1612, 136040), (1790, 122512), (1976, 110980), (2015, 108832), (2080, 105431), (2327, 94240), (2356, 93080), (2470, 88784), (2480, 88426), (2864, 76570), (2945, 74464), (3040, 72137), (3224, 68020), (3401, 64480), (3580, 61256), (3952, 55490), (4030, 54416), (4654, 47120), (4712, 46540), (4940, 44392), (4960, 44213), (5549, 39520), (5728, 38285), (5890, 37232), (6448, 34010), (6802, 32240), (7160, 30628), (7657, 28640), (7904, 27745), (8060, 27208), (9308, 23560), (9424, 23270), (9880, 22196), (11098, 19760), (11635, 18848), (11780, 18616), (12896, 17005), (13604, 16120), (14320, 15314)]