88781840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 252412416

約数和(自身を除く): 163630576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 61, 70, 80, 92, 112, 113, 115, 122, 140, 161, 184, 226, 230, 244, 280, 305, 322, 368, 427, 452, 460, 488, 560, 565, 610, 644, 791, 805, 854, 904, 920, 976, 1130, 1220, 1288, 1403, 1582, 1610, 1708, 1808, 1840, 2135, 2260, 2440, 2576, 2599, 2806, 3164, 3220, 3416, 3955, 4270, 4520, 4880, 5198, 5612, 6328, 6440, 6832, 6893, 7015, 7910, 8540, 9040, 9821, 10396, 11224, 12656, 12880, 12995, 13786, 14030, 15820, 17080, 18193, 19642, 20792, 22448, 25990, 27572, 28060, 31640, 34160, 34465, 36386, 39284, 41584, 48251, 49105, 51980, 55144, 56120, 63280, 68930, 72772, 78568, 90965, 96502, 98210, 103960, 110288, 112240, 137860, 145544, 157136, 158539, 181930, 193004, 196420, 207920, 241255, 275720, 291088, 317078, 363860, 386008, 392840, 482510, 551440, 634156, 727720, 772016, 785680, 792695, 965020, 1109773, 1268312, 1455440, 1585390, 1930040, 2219546, 2536624, 3170780, 3860080, 4439092, 5548865, 6341560, 8878184, 11097730, 12683120, 17756368, 22195460, 44390920, 88781840]

約数ペア:

[(1, 88781840), (2, 44390920), (4, 22195460), (5, 17756368), (7, 12683120), (8, 11097730), (10, 8878184), (14, 6341560), (16, 5548865), (20, 4439092), (23, 3860080), (28, 3170780), (35, 2536624), (40, 2219546), (46, 1930040), (56, 1585390), (61, 1455440), (70, 1268312), (80, 1109773), (92, 965020), (112, 792695), (113, 785680), (115, 772016), (122, 727720), (140, 634156), (161, 551440), (184, 482510), (226, 392840), (230, 386008), (244, 363860), (280, 317078), (305, 291088), (322, 275720), (368, 241255), (427, 207920), (452, 196420), (460, 193004), (488, 181930), (560, 158539), (565, 157136), (610, 145544), (644, 137860), (791, 112240), (805, 110288), (854, 103960), (904, 98210), (920, 96502), (976, 90965), (1130, 78568), (1220, 72772), (1288, 68930), (1403, 63280), (1582, 56120), (1610, 55144), (1708, 51980), (1808, 49105), (1840, 48251), (2135, 41584), (2260, 39284), (2440, 36386), (2576, 34465), (2599, 34160), (2806, 31640), (3164, 28060), (3220, 27572), (3416, 25990), (3955, 22448), (4270, 20792), (4520, 19642), (4880, 18193), (5198, 17080), (5612, 15820), (6328, 14030), (6440, 13786), (6832, 12995), (6893, 12880), (7015, 12656), (7910, 11224), (8540, 10396), (9040, 9821)]