420865380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4861}}^1$

素因数の和:4926

約数の個数: 144

約数和(自身を含む): 1412274864

約数和(自身を除く): 991409484

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, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 666, 740, 780, 962, 1110, 1170, 1332, 1443, 1665, 1924, 2220, 2340, 2405, 2886, 3330, 4329, 4810, 4861, 5772, 6660, 7215, 8658, 9620, 9722, 14430, 14583, 17316, 19444, 21645, 24305, 28860, 29166, 43290, 43749, 48610, 58332, 63193, 72915, 86580, 87498, 97220, 126386, 145830, 174996, 179857, 189579, 218745, 252772, 291660, 315965, 359714, 379158, 437490, 539571, 568737, 631930, 719428, 758316, 874980, 899285, 947895, 1079142, 1137474, 1263860, 1618713, 1798570, 1895790, 2158284, 2274948, 2338141, 2697855, 2843685, 3237426, 3597140, 3791580, 4676282, 5395710, 5687370, 6474852, 7014423, 8093565, 9352564, 10791420, 11374740, 11690705, 14028846, 16187130, 21043269, 23381410, 28057692, 32374260, 35072115, 42086538, 46762820, 70144230, 84173076, 105216345, 140288460, 210432690, 420865380]

約数ペア:

[(1, 420865380), (2, 210432690), (3, 140288460), (4, 105216345), (5, 84173076), (6, 70144230), (9, 46762820), (10, 42086538), (12, 35072115), (13, 32374260), (15, 28057692), (18, 23381410), (20, 21043269), (26, 16187130), (30, 14028846), (36, 11690705), (37, 11374740), (39, 10791420), (45, 9352564), (52, 8093565), (60, 7014423), (65, 6474852), (74, 5687370), (78, 5395710), (90, 4676282), (111, 3791580), (117, 3597140), (130, 3237426), (148, 2843685), (156, 2697855), (180, 2338141), (185, 2274948), (195, 2158284), (222, 1895790), (234, 1798570), (260, 1618713), (333, 1263860), (370, 1137474), (390, 1079142), (444, 947895), (468, 899285), (481, 874980), (555, 758316), (585, 719428), (666, 631930), (740, 568737), (780, 539571), (962, 437490), (1110, 379158), (1170, 359714), (1332, 315965), (1443, 291660), (1665, 252772), (1924, 218745), (2220, 189579), (2340, 179857), (2405, 174996), (2886, 145830), (3330, 126386), (4329, 97220), (4810, 87498), (4861, 86580), (5772, 72915), (6660, 63193), (7215, 58332), (8658, 48610), (9620, 43749), (9722, 43290), (14430, 29166), (14583, 28860), (17316, 24305), (19444, 21645)]