71980920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 256

約数和(自身を含む): 268531200

約数和(自身を除く): 196550280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 73, 83, 88, 90, 99, 108, 110, 120, 132, 135, 146, 165, 166, 180, 198, 216, 219, 220, 249, 264, 270, 292, 297, 330, 332, 360, 365, 396, 415, 438, 440, 495, 498, 540, 584, 594, 657, 660, 664, 730, 747, 792, 803, 830, 876, 913, 990, 996, 1080, 1095, 1188, 1245, 1314, 1320, 1460, 1485, 1494, 1606, 1660, 1752, 1826, 1971, 1980, 1992, 2190, 2241, 2376, 2409, 2490, 2628, 2739, 2920, 2970, 2988, 3212, 3285, 3320, 3652, 3735, 3942, 3960, 4015, 4380, 4482, 4565, 4818, 4980, 5256, 5478, 5940, 5976, 6059, 6424, 6570, 7227, 7304, 7470, 7884, 8030, 8217, 8760, 8964, 9130, 9636, 9855, 9960, 10956, 11205, 11880, 12045, 12118, 13140, 13695, 14454, 14940, 15768, 16060, 16434, 17928, 18177, 18260, 19272, 19710, 21681, 21912, 22410, 24090, 24236, 24651, 26280, 27390, 28908, 29880, 30295, 32120, 32868, 36135, 36354, 36520, 39420, 41085, 43362, 44820, 48180, 48472, 49302, 54531, 54780, 57816, 60590, 65736, 66649, 72270, 72708, 78840, 82170, 86724, 89640, 90885, 96360, 98604, 108405, 109062, 109560, 121180, 123255, 133298, 144540, 145416, 163593, 164340, 173448, 181770, 197208, 199947, 216810, 218124, 242360, 246510, 266596, 272655, 289080, 327186, 328680, 333245, 363540, 399894, 433620, 436248, 493020, 533192, 545310, 599841, 654372, 666490, 727080, 799788, 817965, 867240, 986040, 999735, 1090620, 1199682, 1308744, 1332980, 1599576, 1635930, 1799523, 1999470, 2181240, 2399364, 2665960, 2999205, 3271860, 3599046, 3998940, 4798728, 5998410, 6543720, 7198092, 7997880, 8997615, 11996820, 14396184, 17995230, 23993640, 35990460, 71980920]

約数ペア:

[(1, 71980920), (2, 35990460), (3, 23993640), (4, 17995230), (5, 14396184), (6, 11996820), (8, 8997615), (9, 7997880), (10, 7198092), (11, 6543720), (12, 5998410), (15, 4798728), (18, 3998940), (20, 3599046), (22, 3271860), (24, 2999205), (27, 2665960), (30, 2399364), (33, 2181240), (36, 1999470), (40, 1799523), (44, 1635930), (45, 1599576), (54, 1332980), (55, 1308744), (60, 1199682), (66, 1090620), (72, 999735), (73, 986040), (83, 867240), (88, 817965), (90, 799788), (99, 727080), (108, 666490), (110, 654372), (120, 599841), (132, 545310), (135, 533192), (146, 493020), (165, 436248), (166, 433620), (180, 399894), (198, 363540), (216, 333245), (219, 328680), (220, 327186), (249, 289080), (264, 272655), (270, 266596), (292, 246510), (297, 242360), (330, 218124), (332, 216810), (360, 199947), (365, 197208), (396, 181770), (415, 173448), (438, 164340), (440, 163593), (495, 145416), (498, 144540), (540, 133298), (584, 123255), (594, 121180), (657, 109560), (660, 109062), (664, 108405), (730, 98604), (747, 96360), (792, 90885), (803, 89640), (830, 86724), (876, 82170), (913, 78840), (990, 72708), (996, 72270), (1080, 66649), (1095, 65736), (1188, 60590), (1245, 57816), (1314, 54780), (1320, 54531), (1460, 49302), (1485, 48472), (1494, 48180), (1606, 44820), (1660, 43362), (1752, 41085), (1826, 39420), (1971, 36520), (1980, 36354), (1992, 36135), (2190, 32868), (2241, 32120), (2376, 30295), (2409, 29880), (2490, 28908), (2628, 27390), (2739, 26280), (2920, 24651), (2970, 24236), (2988, 24090), (3212, 22410), (3285, 21912), (3320, 21681), (3652, 19710), (3735, 19272), (3942, 18260), (3960, 18177), (4015, 17928), (4380, 16434), (4482, 16060), (4565, 15768), (4818, 14940), (4980, 14454), (5256, 13695), (5478, 13140), (5940, 12118), (5976, 12045), (6059, 11880), (6424, 11205), (6570, 10956), (7227, 9960), (7304, 9855), (7470, 9636), (7884, 9130), (8030, 8964), (8217, 8760)]