212980140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 671737248

約数和(自身を除く): 458757108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 113, 148, 180, 185, 222, 226, 283, 333, 339, 370, 444, 452, 555, 565, 566, 666, 678, 740, 849, 1017, 1110, 1130, 1132, 1332, 1356, 1415, 1665, 1695, 1698, 2034, 2220, 2260, 2547, 2830, 3330, 3390, 3396, 4068, 4181, 4245, 5085, 5094, 5660, 6660, 6780, 8362, 8490, 10170, 10188, 10471, 12543, 12735, 16724, 16980, 20340, 20905, 20942, 25086, 25470, 31413, 31979, 37629, 41810, 41884, 50172, 50940, 52355, 62715, 62826, 63958, 75258, 83620, 94239, 95937, 104710, 125430, 125652, 127916, 150516, 157065, 159895, 188145, 188478, 191874, 209420, 250860, 287811, 314130, 319790, 376290, 376956, 383748, 471195, 479685, 575622, 628260, 639580, 752580, 942390, 959370, 1151244, 1183223, 1439055, 1884780, 1918740, 2366446, 2878110, 3549669, 4732892, 5756220, 5916115, 7099338, 10649007, 11832230, 14198676, 17748345, 21298014, 23664460, 35496690, 42596028, 53245035, 70993380, 106490070, 212980140]

約数ペア:

[(1, 212980140), (2, 106490070), (3, 70993380), (4, 53245035), (5, 42596028), (6, 35496690), (9, 23664460), (10, 21298014), (12, 17748345), (15, 14198676), (18, 11832230), (20, 10649007), (30, 7099338), (36, 5916115), (37, 5756220), (45, 4732892), (60, 3549669), (74, 2878110), (90, 2366446), (111, 1918740), (113, 1884780), (148, 1439055), (180, 1183223), (185, 1151244), (222, 959370), (226, 942390), (283, 752580), (333, 639580), (339, 628260), (370, 575622), (444, 479685), (452, 471195), (555, 383748), (565, 376956), (566, 376290), (666, 319790), (678, 314130), (740, 287811), (849, 250860), (1017, 209420), (1110, 191874), (1130, 188478), (1132, 188145), (1332, 159895), (1356, 157065), (1415, 150516), (1665, 127916), (1695, 125652), (1698, 125430), (2034, 104710), (2220, 95937), (2260, 94239), (2547, 83620), (2830, 75258), (3330, 63958), (3390, 62826), (3396, 62715), (4068, 52355), (4181, 50940), (4245, 50172), (5085, 41884), (5094, 41810), (5660, 37629), (6660, 31979), (6780, 31413), (8362, 25470), (8490, 25086), (10170, 20942), (10188, 20905), (10471, 20340), (12543, 16980), (12735, 16724)]