208708920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1453}}^1$

素因数の和:1499

約数の個数: 256

約数和(自身を含む): 837504000

約数和(自身を除く): 628795080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1453, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 2906, 3192, 3420, 3591, 3780, 3990, 4104, 4359, 4788, 5130, 5320, 5812, 5985, 6840, 7182, 7265, 7560, 7980, 8718, 9576, 10171, 10260, 11624, 11970, 13077, 14364, 14530, 15960, 17436, 17955, 20342, 20520, 21795, 23940, 26154, 27607, 28728, 29060, 30513, 34872, 35910, 39231, 40684, 43590, 47880, 50855, 52308, 55214, 58120, 61026, 65385, 71820, 78462, 81368, 82821, 87180, 91539, 101710, 104616, 110428, 122052, 130770, 138035, 143640, 152565, 156924, 165642, 174360, 183078, 193249, 196155, 203420, 220856, 244104, 248463, 261540, 274617, 276070, 305130, 313848, 331284, 366156, 386498, 392310, 406840, 414105, 457695, 496926, 523080, 549234, 552140, 579747, 610260, 662568, 732312, 745389, 772996, 784620, 828210, 915390, 966245, 993852, 1098468, 1104280, 1159494, 1220520, 1242315, 1373085, 1490778, 1545992, 1569240, 1656420, 1739241, 1830780, 1932490, 1987704, 2196936, 2318988, 2484630, 2746170, 2898735, 2981556, 3312840, 3478482, 3661560, 3726945, 3864980, 4637976, 4969260, 5217723, 5492340, 5797470, 5963112, 6956964, 7453890, 7729960, 8696205, 9938520, 10435446, 10984680, 11594940, 13913928, 14907780, 17392410, 20870892, 23189880, 26088615, 29815560, 34784820, 41741784, 52177230, 69569640, 104354460, 208708920]

約数ペア:

[(1, 208708920), (2, 104354460), (3, 69569640), (4, 52177230), (5, 41741784), (6, 34784820), (7, 29815560), (8, 26088615), (9, 23189880), (10, 20870892), (12, 17392410), (14, 14907780), (15, 13913928), (18, 11594940), (19, 10984680), (20, 10435446), (21, 9938520), (24, 8696205), (27, 7729960), (28, 7453890), (30, 6956964), (35, 5963112), (36, 5797470), (38, 5492340), (40, 5217723), (42, 4969260), (45, 4637976), (54, 3864980), (56, 3726945), (57, 3661560), (60, 3478482), (63, 3312840), (70, 2981556), (72, 2898735), (76, 2746170), (84, 2484630), (90, 2318988), (95, 2196936), (105, 1987704), (108, 1932490), (114, 1830780), (120, 1739241), (126, 1656420), (133, 1569240), (135, 1545992), (140, 1490778), (152, 1373085), (168, 1242315), (171, 1220520), (180, 1159494), (189, 1104280), (190, 1098468), (210, 993852), (216, 966245), (228, 915390), (252, 828210), (266, 784620), (270, 772996), (280, 745389), (285, 732312), (315, 662568), (342, 610260), (360, 579747), (378, 552140), (380, 549234), (399, 523080), (420, 496926), (456, 457695), (504, 414105), (513, 406840), (532, 392310), (540, 386498), (570, 366156), (630, 331284), (665, 313848), (684, 305130), (756, 276070), (760, 274617), (798, 261540), (840, 248463), (855, 244104), (945, 220856), (1026, 203420), (1064, 196155), (1080, 193249), (1140, 183078), (1197, 174360), (1260, 165642), (1330, 156924), (1368, 152565), (1453, 143640), (1512, 138035), (1596, 130770), (1710, 122052), (1890, 110428), (1995, 104616), (2052, 101710), (2280, 91539), (2394, 87180), (2520, 82821), (2565, 81368), (2660, 78462), (2906, 71820), (3192, 65385), (3420, 61026), (3591, 58120), (3780, 55214), (3990, 52308), (4104, 50855), (4359, 47880), (4788, 43590), (5130, 40684), (5320, 39231), (5812, 35910), (5985, 34872), (6840, 30513), (7182, 29060), (7265, 28728), (7560, 27607), (7980, 26154), (8718, 23940), (9576, 21795), (10171, 20520), (10260, 20342), (11624, 17955), (11970, 17436), (13077, 15960), (14364, 14530)]