18025665920

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{12479}}^1$

素因数の和:12596

約数の個数: 128

約数和(自身を含む): 44986406400

約数和(自身を除く): 26960740480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 61, 64, 74, 80, 122, 128, 148, 160, 185, 244, 296, 305, 320, 370, 488, 592, 610, 640, 740, 976, 1184, 1220, 1480, 1952, 2257, 2368, 2440, 2960, 3904, 4514, 4736, 4880, 5920, 7808, 9028, 9760, 11285, 11840, 12479, 18056, 19520, 22570, 23680, 24958, 36112, 39040, 45140, 49916, 62395, 72224, 90280, 99832, 124790, 144448, 180560, 199664, 249580, 288896, 361120, 399328, 461723, 499160, 722240, 761219, 798656, 923446, 998320, 1444480, 1522438, 1597312, 1846892, 1996640, 2308615, 3044876, 3693784, 3806095, 3993280, 4617230, 6089752, 7387568, 7612190, 7986560, 9234460, 12179504, 14775136, 15224380, 18468920, 24359008, 28165103, 29550272, 30448760, 36937840, 48718016, 56330206, 59100544, 60897520, 73875680, 97436032, 112660412, 121795040, 140825515, 147751360, 225320824, 243590080, 281651030, 295502720, 450641648, 487180160, 563302060, 901283296, 1126604120, 1802566592, 2253208240, 3605133184, 4506416480, 9012832960, 18025665920]

約数ペア:

[(1, 18025665920), (2, 9012832960), (4, 4506416480), (5, 3605133184), (8, 2253208240), (10, 1802566592), (16, 1126604120), (20, 901283296), (32, 563302060), (37, 487180160), (40, 450641648), (61, 295502720), (64, 281651030), (74, 243590080), (80, 225320824), (122, 147751360), (128, 140825515), (148, 121795040), (160, 112660412), (185, 97436032), (244, 73875680), (296, 60897520), (305, 59100544), (320, 56330206), (370, 48718016), (488, 36937840), (592, 30448760), (610, 29550272), (640, 28165103), (740, 24359008), (976, 18468920), (1184, 15224380), (1220, 14775136), (1480, 12179504), (1952, 9234460), (2257, 7986560), (2368, 7612190), (2440, 7387568), (2960, 6089752), (3904, 4617230), (4514, 3993280), (4736, 3806095), (4880, 3693784), (5920, 3044876), (7808, 2308615), (9028, 1996640), (9760, 1846892), (11285, 1597312), (11840, 1522438), (12479, 1444480), (18056, 998320), (19520, 923446), (22570, 798656), (23680, 761219), (24958, 722240), (36112, 499160), (39040, 461723), (45140, 399328), (49916, 361120), (62395, 288896), (72224, 249580), (90280, 199664), (99832, 180560), (124790, 144448)]