75123720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:569

約数の個数: 256

約数和(自身を含む): 301824000

約数和(自身を除く): 226700280

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, 523, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1046, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1569, 1596, 1710, 1890, 1995, 2052, 2092, 2280, 2394, 2520, 2565, 2615, 2660, 3138, 3192, 3420, 3591, 3661, 3780, 3990, 4104, 4184, 4707, 4788, 5130, 5230, 5320, 5985, 6276, 6840, 7182, 7322, 7560, 7845, 7980, 9414, 9576, 9937, 10260, 10460, 10983, 11970, 12552, 14121, 14364, 14644, 15690, 15960, 17955, 18305, 18828, 19874, 20520, 20920, 21966, 23535, 23940, 28242, 28728, 29288, 29811, 31380, 32949, 35910, 36610, 37656, 39748, 43932, 47070, 47880, 49685, 54915, 56484, 59622, 62760, 65898, 69559, 70605, 71820, 73220, 79496, 87864, 89433, 94140, 98847, 99370, 109830, 112968, 119244, 131796, 139118, 141210, 143640, 146440, 149055, 164745, 178866, 188280, 197694, 198740, 208677, 219660, 238488, 263592, 268299, 278236, 282420, 298110, 329490, 347795, 357732, 395388, 397480, 417354, 439320, 447165, 494235, 536598, 556472, 564840, 596220, 626031, 658980, 695590, 715464, 790776, 834708, 894330, 988470, 1043385, 1073196, 1192440, 1252062, 1317960, 1341495, 1391180, 1669416, 1788660, 1878093, 1976940, 2086770, 2146392, 2504124, 2682990, 2782360, 3130155, 3577320, 3756186, 3953880, 4173540, 5008248, 5365980, 6260310, 7512372, 8347080, 9390465, 10731960, 12520620, 15024744, 18780930, 25041240, 37561860, 75123720]

約数ペア:

[(1, 75123720), (2, 37561860), (3, 25041240), (4, 18780930), (5, 15024744), (6, 12520620), (7, 10731960), (8, 9390465), (9, 8347080), (10, 7512372), (12, 6260310), (14, 5365980), (15, 5008248), (18, 4173540), (19, 3953880), (20, 3756186), (21, 3577320), (24, 3130155), (27, 2782360), (28, 2682990), (30, 2504124), (35, 2146392), (36, 2086770), (38, 1976940), (40, 1878093), (42, 1788660), (45, 1669416), (54, 1391180), (56, 1341495), (57, 1317960), (60, 1252062), (63, 1192440), (70, 1073196), (72, 1043385), (76, 988470), (84, 894330), (90, 834708), (95, 790776), (105, 715464), (108, 695590), (114, 658980), (120, 626031), (126, 596220), (133, 564840), (135, 556472), (140, 536598), (152, 494235), (168, 447165), (171, 439320), (180, 417354), (189, 397480), (190, 395388), (210, 357732), (216, 347795), (228, 329490), (252, 298110), (266, 282420), (270, 278236), (280, 268299), (285, 263592), (315, 238488), (342, 219660), (360, 208677), (378, 198740), (380, 197694), (399, 188280), (420, 178866), (456, 164745), (504, 149055), (513, 146440), (523, 143640), (532, 141210), (540, 139118), (570, 131796), (630, 119244), (665, 112968), (684, 109830), (756, 99370), (760, 98847), (798, 94140), (840, 89433), (855, 87864), (945, 79496), (1026, 73220), (1046, 71820), (1064, 70605), (1080, 69559), (1140, 65898), (1197, 62760), (1260, 59622), (1330, 56484), (1368, 54915), (1512, 49685), (1569, 47880), (1596, 47070), (1710, 43932), (1890, 39748), (1995, 37656), (2052, 36610), (2092, 35910), (2280, 32949), (2394, 31380), (2520, 29811), (2565, 29288), (2615, 28728), (2660, 28242), (3138, 23940), (3192, 23535), (3420, 21966), (3591, 20920), (3661, 20520), (3780, 19874), (3990, 18828), (4104, 18305), (4184, 17955), (4707, 15960), (4788, 15690), (5130, 14644), (5230, 14364), (5320, 14121), (5985, 12552), (6276, 11970), (6840, 10983), (7182, 10460), (7322, 10260), (7560, 9937), (7845, 9576), (7980, 9414)]