12900420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 43570800

約数和(自身を除く): 30670380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 149, 156, 180, 185, 195, 222, 234, 260, 298, 333, 370, 390, 444, 447, 468, 481, 555, 585, 596, 666, 740, 745, 780, 894, 962, 1110, 1170, 1332, 1341, 1443, 1490, 1665, 1788, 1924, 1937, 2220, 2235, 2340, 2405, 2682, 2886, 2980, 3330, 3874, 4329, 4470, 4810, 5364, 5513, 5772, 5811, 6660, 6705, 7215, 7748, 8658, 8940, 9620, 9685, 11026, 11622, 13410, 14430, 16539, 17316, 17433, 19370, 21645, 22052, 23244, 26820, 27565, 28860, 29055, 33078, 34866, 38740, 43290, 49617, 55130, 58110, 66156, 69732, 71669, 82695, 86580, 87165, 99234, 110260, 116220, 143338, 165390, 174330, 198468, 215007, 248085, 286676, 330780, 348660, 358345, 430014, 496170, 645021, 716690, 860028, 992340, 1075035, 1290042, 1433380, 2150070, 2580084, 3225105, 4300140, 6450210, 12900420]

約数ペア:

[(1, 12900420), (2, 6450210), (3, 4300140), (4, 3225105), (5, 2580084), (6, 2150070), (9, 1433380), (10, 1290042), (12, 1075035), (13, 992340), (15, 860028), (18, 716690), (20, 645021), (26, 496170), (30, 430014), (36, 358345), (37, 348660), (39, 330780), (45, 286676), (52, 248085), (60, 215007), (65, 198468), (74, 174330), (78, 165390), (90, 143338), (111, 116220), (117, 110260), (130, 99234), (148, 87165), (149, 86580), (156, 82695), (180, 71669), (185, 69732), (195, 66156), (222, 58110), (234, 55130), (260, 49617), (298, 43290), (333, 38740), (370, 34866), (390, 33078), (444, 29055), (447, 28860), (468, 27565), (481, 26820), (555, 23244), (585, 22052), (596, 21645), (666, 19370), (740, 17433), (745, 17316), (780, 16539), (894, 14430), (962, 13410), (1110, 11622), (1170, 11026), (1332, 9685), (1341, 9620), (1443, 8940), (1490, 8658), (1665, 7748), (1788, 7215), (1924, 6705), (1937, 6660), (2220, 5811), (2235, 5772), (2340, 5513), (2405, 5364), (2682, 4810), (2886, 4470), (2980, 4329), (3330, 3874)]