238345120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 192

約数和(自身を含む): 659594880

約数和(自身を除く): 421249760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 37, 38, 40, 52, 65, 74, 76, 80, 95, 104, 130, 148, 152, 160, 163, 185, 190, 208, 247, 260, 296, 304, 326, 370, 380, 416, 481, 494, 520, 592, 608, 652, 703, 740, 760, 815, 962, 988, 1040, 1184, 1235, 1304, 1406, 1480, 1520, 1630, 1924, 1976, 2080, 2119, 2405, 2470, 2608, 2812, 2960, 3040, 3097, 3260, 3515, 3848, 3952, 4238, 4810, 4940, 5216, 5624, 5920, 6031, 6194, 6520, 7030, 7696, 7904, 8476, 9139, 9620, 9880, 10595, 11248, 12062, 12388, 13040, 14060, 15392, 15485, 16952, 18278, 19240, 19760, 21190, 22496, 24124, 24776, 26080, 28120, 30155, 30970, 33904, 36556, 38480, 39520, 40261, 42380, 45695, 48248, 49552, 56240, 60310, 61940, 67808, 73112, 76960, 78403, 80522, 84760, 91390, 96496, 99104, 112480, 114589, 120620, 123880, 146224, 156806, 161044, 169520, 182780, 192992, 201305, 229178, 241240, 247760, 292448, 313612, 322088, 339040, 365560, 392015, 402610, 458356, 482480, 495520, 572945, 627224, 644176, 731120, 784030, 805220, 916712, 964960, 1145890, 1254448, 1288352, 1462240, 1489657, 1568060, 1610440, 1833424, 2291780, 2508896, 2979314, 3136120, 3220880, 3666848, 4583560, 5958628, 6272240, 6441760, 7448285, 9167120, 11917256, 12544480, 14896570, 18334240, 23834512, 29793140, 47669024, 59586280, 119172560, 238345120]

約数ペア:

[(1, 238345120), (2, 119172560), (4, 59586280), (5, 47669024), (8, 29793140), (10, 23834512), (13, 18334240), (16, 14896570), (19, 12544480), (20, 11917256), (26, 9167120), (32, 7448285), (37, 6441760), (38, 6272240), (40, 5958628), (52, 4583560), (65, 3666848), (74, 3220880), (76, 3136120), (80, 2979314), (95, 2508896), (104, 2291780), (130, 1833424), (148, 1610440), (152, 1568060), (160, 1489657), (163, 1462240), (185, 1288352), (190, 1254448), (208, 1145890), (247, 964960), (260, 916712), (296, 805220), (304, 784030), (326, 731120), (370, 644176), (380, 627224), (416, 572945), (481, 495520), (494, 482480), (520, 458356), (592, 402610), (608, 392015), (652, 365560), (703, 339040), (740, 322088), (760, 313612), (815, 292448), (962, 247760), (988, 241240), (1040, 229178), (1184, 201305), (1235, 192992), (1304, 182780), (1406, 169520), (1480, 161044), (1520, 156806), (1630, 146224), (1924, 123880), (1976, 120620), (2080, 114589), (2119, 112480), (2405, 99104), (2470, 96496), (2608, 91390), (2812, 84760), (2960, 80522), (3040, 78403), (3097, 76960), (3260, 73112), (3515, 67808), (3848, 61940), (3952, 60310), (4238, 56240), (4810, 49552), (4940, 48248), (5216, 45695), (5624, 42380), (5920, 40261), (6031, 39520), (6194, 38480), (6520, 36556), (7030, 33904), (7696, 30970), (7904, 30155), (8476, 28120), (9139, 26080), (9620, 24776), (9880, 24124), (10595, 22496), (11248, 21190), (12062, 19760), (12388, 19240), (13040, 18278), (14060, 16952), (15392, 15485)]