1340281280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:627

約数の個数: 224

約数和(自身を含む): 3741480960

約数和(自身を除く): 2401199680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 320, 380, 403, 416, 494, 496, 520, 547, 589, 608, 620, 760, 806, 832, 988, 992, 1040, 1094, 1178, 1216, 1235, 1240, 1520, 1612, 1976, 1984, 2015, 2080, 2188, 2356, 2470, 2480, 2735, 2945, 3040, 3224, 3952, 4030, 4160, 4376, 4712, 4940, 4960, 5470, 5890, 6080, 6448, 7111, 7657, 7904, 8060, 8752, 9424, 9880, 9920, 10393, 10940, 11780, 12896, 14222, 15314, 15808, 16120, 16957, 17504, 18848, 19760, 20786, 21880, 23560, 25792, 28444, 30628, 32240, 33914, 35008, 35555, 37696, 38285, 39520, 41572, 43760, 47120, 51965, 56888, 61256, 64480, 67828, 71110, 76570, 79040, 83144, 84785, 87520, 94240, 103930, 113776, 122512, 128960, 135109, 135656, 142220, 153140, 166288, 169570, 175040, 188480, 207860, 220441, 227552, 245024, 270218, 271312, 284440, 306280, 322183, 332576, 339140, 415720, 440882, 455104, 490048, 540436, 542624, 568880, 612560, 644366, 665152, 675545, 678280, 831440, 881764, 1080872, 1085248, 1102205, 1137760, 1225120, 1288732, 1351090, 1356560, 1610915, 1662880, 1763528, 2161744, 2204410, 2275520, 2450240, 2577464, 2702180, 2713120, 3221830, 3325760, 3527056, 4188379, 4323488, 4408820, 5154928, 5404360, 5426240, 6443660, 7054112, 8376758, 8646976, 8817640, 10309856, 10808720, 12887320, 14108224, 16753516, 17635280, 20619712, 20941895, 21617440, 25774640, 33507032, 35270560, 41883790, 43234880, 51549280, 67014064, 70541120, 83767580, 103098560, 134028128, 167535160, 268056256, 335070320, 670140640, 1340281280]

約数ペア:

[(1, 1340281280), (2, 670140640), (4, 335070320), (5, 268056256), (8, 167535160), (10, 134028128), (13, 103098560), (16, 83767580), (19, 70541120), (20, 67014064), (26, 51549280), (31, 43234880), (32, 41883790), (38, 35270560), (40, 33507032), (52, 25774640), (62, 21617440), (64, 20941895), (65, 20619712), (76, 17635280), (80, 16753516), (95, 14108224), (104, 12887320), (124, 10808720), (130, 10309856), (152, 8817640), (155, 8646976), (160, 8376758), (190, 7054112), (208, 6443660), (247, 5426240), (248, 5404360), (260, 5154928), (304, 4408820), (310, 4323488), (320, 4188379), (380, 3527056), (403, 3325760), (416, 3221830), (494, 2713120), (496, 2702180), (520, 2577464), (547, 2450240), (589, 2275520), (608, 2204410), (620, 2161744), (760, 1763528), (806, 1662880), (832, 1610915), (988, 1356560), (992, 1351090), (1040, 1288732), (1094, 1225120), (1178, 1137760), (1216, 1102205), (1235, 1085248), (1240, 1080872), (1520, 881764), (1612, 831440), (1976, 678280), (1984, 675545), (2015, 665152), (2080, 644366), (2188, 612560), (2356, 568880), (2470, 542624), (2480, 540436), (2735, 490048), (2945, 455104), (3040, 440882), (3224, 415720), (3952, 339140), (4030, 332576), (4160, 322183), (4376, 306280), (4712, 284440), (4940, 271312), (4960, 270218), (5470, 245024), (5890, 227552), (6080, 220441), (6448, 207860), (7111, 188480), (7657, 175040), (7904, 169570), (8060, 166288), (8752, 153140), (9424, 142220), (9880, 135656), (9920, 135109), (10393, 128960), (10940, 122512), (11780, 113776), (12896, 103930), (14222, 94240), (15314, 87520), (15808, 84785), (16120, 83144), (16957, 79040), (17504, 76570), (18848, 71110), (19760, 67828), (20786, 64480), (21880, 61256), (23560, 56888), (25792, 51965), (28444, 47120), (30628, 43760), (32240, 41572), (33914, 39520), (35008, 38285), (35555, 37696)]