127785420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2741}}^1$

素因数の和:2800

約数の個数: 144

約数和(自身を含む): 455128128

約数和(自身を除く): 327342708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 2741, 3108, 3330, 3885, 4662, 5180, 5482, 6660, 7770, 8223, 9324, 10964, 11655, 13705, 15540, 16446, 19187, 23310, 24669, 27410, 32892, 38374, 41115, 46620, 49338, 54820, 57561, 76748, 82230, 95935, 98676, 101417, 115122, 123345, 164460, 172683, 191870, 202834, 230244, 246690, 287805, 304251, 345366, 383740, 405668, 493380, 507085, 575610, 608502, 690732, 709919, 863415, 912753, 1014170, 1151220, 1217004, 1419838, 1521255, 1726830, 1825506, 2028340, 2129757, 2839676, 3042510, 3453660, 3549595, 3651012, 4259514, 4563765, 6085020, 6389271, 7099190, 8519028, 9127530, 10648785, 12778542, 14198380, 18255060, 21297570, 25557084, 31946355, 42595140, 63892710, 127785420]

約数ペア:

[(1, 127785420), (2, 63892710), (3, 42595140), (4, 31946355), (5, 25557084), (6, 21297570), (7, 18255060), (9, 14198380), (10, 12778542), (12, 10648785), (14, 9127530), (15, 8519028), (18, 7099190), (20, 6389271), (21, 6085020), (28, 4563765), (30, 4259514), (35, 3651012), (36, 3549595), (37, 3453660), (42, 3042510), (45, 2839676), (60, 2129757), (63, 2028340), (70, 1825506), (74, 1726830), (84, 1521255), (90, 1419838), (105, 1217004), (111, 1151220), (126, 1014170), (140, 912753), (148, 863415), (180, 709919), (185, 690732), (210, 608502), (222, 575610), (252, 507085), (259, 493380), (315, 405668), (333, 383740), (370, 345366), (420, 304251), (444, 287805), (518, 246690), (555, 230244), (630, 202834), (666, 191870), (740, 172683), (777, 164460), (1036, 123345), (1110, 115122), (1260, 101417), (1295, 98676), (1332, 95935), (1554, 82230), (1665, 76748), (2220, 57561), (2331, 54820), (2590, 49338), (2741, 46620), (3108, 41115), (3330, 38374), (3885, 32892), (4662, 27410), (5180, 24669), (5482, 23310), (6660, 19187), (7770, 16446), (8223, 15540), (9324, 13705), (10964, 11655)]